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What If Megalodon Sharks Didn't Go Extinct?

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What If Megalodon Sharks Didn't Go Extinct?

2,600,000 years ago, megalodons terrorized the seas and oceans, and they were believed to be the largest sharks to ever live on Earth. They were also the largest predators in vertebrate history. What if this enormous marine carnivore had never become extinct? It isn’t a fun scenario to imagine, but, hey, we’ve also been toying with the idea ever since we saw fossils of dinosaurs and other beastly creatures that once roamed our planet. These gigantic animals ruled Earth millions of years ago, and we can’t help but wonder what our life would have been like if we’d coexisted with them.

TIMESTAMPS
What the megalodon shark was like 1:17
The only remains of a megalodon to be discovered 3:20
How did they attack their victims 5:06
The main reason for the extinction of this great predator 6:10
What if megalodons didn’t become extinct? 8:04
Other huge prehistoric animals and birds 9:12

Music:


SUMMARY
-Megalodon shark lived during the Neogene period, was between 52 ft and 59 ft, and its weight could vary from 70 to 100 tons. During the Renaissance period, the megalodon’s teeth were mistaken for the fossilized tips of the tongues of dragons and snakes.
-The only remains of a megalodon to be discovered were its vertebrae and tooth. They were found around the continents of Australia, Southeast Asia, Europe, and North and South America.
-Back in 2016, researchers at the University of Zurich’s Paleontological Institute and Museum found that the real reason the megalodons became extinct was due to competition over food.
-The megalodon immediately clamped its teeth onto the body of its prey, which resulted in pulverized ribs and a ruptured heart and lungs. The second attack method of the megalodon was to rip its prey’s fins to immobilize it before chow time.
-Had the megalodon shark survived, the aquatic biodiversity could have been rich if that had happened. However, the super predators that existed along with megalodons would also still be alive.
-Other species that have caused terror on Earth were the Aegirocassis benmoulae, the Sarcosuchus imperator, the Megatherium americanum, the Titanis walleri, or “Terror Bird”.

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Did They Find a Living Megalodon In the Mariana Trench?

Сould Megalodon sharks still be alive in the deepest parts of the ocean? Science tells us that Megalodon sharks are extinct. Given that it was a massive shark with noticeable feeding habits, we guess that if Megalodon sharks were still roaming the oceans, they would probably have been spotted by someone by now. But perhaps not if they lived in the deepest place on Earth: the Mariana Trench.

TIMESTAMPS:
What the name Megalodon means 1:49
Megalodon’s size 3:26
The deepest spot on Earth 4:13
Could Megalodon live in the Mariana Trench 5:00
How many people reached Challenger Deep in the Mariana Trench 6:39

#megalodon #marianatrench #meg

Music:

SUMMARY:
- The Megalodon shark roamed the oceans as early as 23 million years ago, and we have their fossils to prove their existence. When people first encountered Megalodon teeth, they believed them to be rocks that had made their way to Earth from the moon.
- Megalodon was the biggest shark to terrorize the ocean, and it is thought to have gone extinct 2.6 million years ago. The name Megalodon means “big tooth.” Most of the recovered Megalodon fossil teeth have been 4” to 5”. But there are a few enormous teeth that are over 7”.
- The Mariana Trench is 6.83 miles deep and measures more than 1,500 miles long and 43 miles wide. To put the depth into perspective, if you were to put Mount Everest into the Mariana Trench, the top would still be sticking out. To put the length into perspective, in 1,500 miles you could fit all the states between Florida and Massachusetts. 1,500 miles is also the distance between Madrid, in Spain, and Copenhagen, in Denmark.
- To survive in the Mariana Trench, Megalodon would have had to adapt to the living conditions and evolve. It would also have to switch its diet from whales, dolphins, sea lions, and sea cows to whatever organisms reside in the Mariana Trench and hope that it could find and eat its usual 2,500 lb of food per day.
- According to the United Nations, there are 7.6 billion people in the world today, and only 3 of them have made it to the deepest point on Earth. The reality is that with so little research, it is impossible to know what lies in the depths of the Mariana Trench.

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Are Megalodon Sharks Extinct Or Alive? (The Meg Movie)

With the recent release of “The Meg” in cinemas around the world people have been very curious about this deadly shark. It really makes you wonder.. what if Megalodon Sharks didn't go extinct? Are they still alive? How big are they? We’ve got all the answers for you on today's episode of PUZZLED!

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#Puzzled #TheMeg #Sharks

10 Facts About the Biggest Shark Ever Existed

Its full name is Carcharocles Megalodon, but some shark enthusiasts just call it “the Meg.” Whatever name it goes by, this giant was the biggest baddie of the ocean when it terrorized the waters 2 million years ago. If you’re afraid of modern sharks, get ready for these facts because this prehistoric predator puts them all to shame!

TIMESTAMPS:
The Megalodon was the biggest shark ever 0:58
We don’t have many fossils of it today 1:40
The Megalodon had enormous teeth 2:35
The Megalodon had a killer smile 3:13
It’s not related to the great white shark 4:00
The Megalodon had a powerful bite 4:38
Its favorite dish was whales 5:24
Their nurseries have been discovered 6:18
It had competition 7:08
It was top of the food chain 7:40

#megalodon #largestshark

Music:

SUMMARY:
- Different estimates put its size anywhere from 45 up to 60 feet in length. To put that into perspective, 60 feet would make the Megalodon about 4 times the size of the average great white shark.
- There’s currently a very limited amount of Megalodon fossils. Shark skeletons are made of cartilage, which doesn’t fossilize very well. So, that means almost all that remains of the mighty Meg are its teeth, which have been found on every continent except for Asia and Antarctica.
- Most of its teeth were about 4 to 5 inches long, but the largest tooth ever found was 7.48 inches, and it was discovered in Peru.
- In order to feast regularly on large prey, the Meg had an impressive set of 276 teeth that sat in 5 rows in its mouth. Most fossilized teeth that have been recovered show a significant amount of wear on the tips, and some have had the tips completely broken off from biting on the bones of its prey.
- Popular belief has it that the great white shark is a descendant of the Meg, but that claim has been disproven. When the first fossilized teeth of the Megalodon were discovered, they placed the mighty shark in the same genus as the great white.
- In order to chew on the bones of its prey, the Meg needed to have a very powerful bite. To figure out how strong its bite was, a research group led by biologist Dr. Stephen Wroe conducted simulations and reported that the Megalodon could bite down on its prey with 24,000 to 40,000 pounds of pressure.
- . Scientists know that the Megalodon loved to eat whales because fossilized whale bones have been found with bite marks that match the Megalodon’s teeth.
- When the Megalodon was ready to give birth, it would travel to shallow waters where large predators couldn’t follow.
- The Megalodon wasn’t the only giant to terrorize the oceans. Livyatan Melvillei was a sperm whale that was over 60 feet long, weighed more than 50 tons, and its 14-inch teeth were the biggest of the animal kingdom.
- The Megalodon was the top predator of the ocean... until it wasn’t. The giant shark went extinct 2.6 million years ago, and there are several theories as to why this happened.

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Mariana Trench Creatures That Are Scarier Than Megalodon

What’s scarier than the prehistoric Megalodon that used to live in the Mariana Trench? The sharp-toothed, creepy-looking creatures that currently live there! While much of the Mariana Trench hasn’t been explored yet, what scientists have found so far is absolutely terrifying.

Have you ever heard about the Zombie Worm or the Goblin Shark? Do you know that there is an octopus that swallows his prey whole? Or maybe you know anything about a fish with a transparent head? Watch to learn more about the creepy creatures that lie in the world’s deepest waters. But be warned: You may never want to swim in the ocean again.

Other videos you might like:
What If Megalodon Sharks Didn't Go Extinct?
Why No Aquarium In the World Has a Great White Shark?
4 Tips on How to Stay Safe at Sea

TIMESTAMPS:
The Fangtooth 0:45
The Dumbo Octopus 2:15
The Barreleye Fish 3:06
The Seadevil Anglerfish 3:58
The Goblin Shark 4:52
The Deep-Sea Hatchetfish 5:48
The Zombie Worm 6:32
The Deep-Sea Dragonfish 7:13
The Frilled Shark 8:08
Liopleurodon 9:07

Music by Epidemic Sound

SUMMARY:
- The Fangtooth is carnivorous and feeds on just about anything it can find that gets caught in its sharp-toothed mouth. These fish rely on their “contact chemoreception” to find prey.
- The Dumbo Octopus is the deepest living octopus scientists know of, according to oceana.org. They are known as “umbrella octopuses” since their arms are connected by webbed skin. When they spread them apart, they look like an umbrella…a slimy, hungry, deep-sea umbrella.
- You can see through the Barreleye Fish’s head! Some scientists believe that this transparent head lets the fish collect a bit more light in the dark depths of the sea, which gives them an advantage over other fish that hunt blindly.
- The Seadevil Anglerfish has a fishing-rod type appendage on its forehead that has a glowing light attached to the end to attract animals. Once these animals come close enough to the light — BAM! They’re captured by the Seadevil’s massive jaws.
- The Goblin Shark looks like a cross between a shark and a creature from your worst nightmare. These sharks boast a protruding sword-like snout with a jaw that juts out to match. Unlike other sharks that have more of a gray hue, this creepy thing looks not-so-pretty in pink.
- There are over 40 species of hatchetfish that sport thin bodies covered in shiny scales. That’s why they often look metallic. These fish only grow to be around 6”, but they’re able to handle the pressure of the deep sea, living 5,000 ft below the surface!
- Not quite. The Zombie Worm isn’t an undead creature of the deep sea; it is very much alive. It’s also known as the Bone Worm, and it can swallow bones of massive mammals like whales.
- Along with some other creatures on this list, the Deep-Sea Dragonfish relies on its bioluminescent body parts to catch prey. It also uses its hanging appendage, which boasts a little red light on the end, coming out from its lower jaw.
- Studying the Frilled Shark is like looking through a portal back to prehistoric times. That’s because scientists think that these eel-like sharks haven’t changed much since their oldest ancestors roamed the deep-sea waters, so they’re sometimes referred to as “living fossils.”
- Scientists believe Liopleurodon thrived in this deep-sea trench because of its ability to swim long distances and its 4 paddle-like limbs. While they probably weren’t able to propel themselves toward prey like other animals of the area, they did manage to accelerate and attack very ruthlessly and efficiently.

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10 Extinct Animals That Shouldn't Be Brought Back

Scientists these days are serious about bringing animals extinct millions of years ago back to life. They even have a list of candidates, which includes the woolly mammoth, dodo, mastodon, and Tasmanian tiger. However, the animals you’re about to see are not desirable and will not be loved by humans. Those scary monsters from the past won’t do anyone any good.

TIMESTAMPS
Meganeura 1:25
Phoberomys pattersoni 2:25
Dunkleosteus 3:25
Helicoprion 4:22
Deinosuchus 5:14
Gigantopithecus 6:12
Megapiranha 6:55
The Giant Short-Faced Bear 7:50
Titanoboa cerrejonensis 8:41
Megalodon 9:15

Music: Lookahead


SUMMARY
-Meganeura, which was actually a griffinfly, was a bit smaller than a crow and had a wingspan of about 2.3 ft. A Meganeura’s diet consisted of insects, invertebrates, and small amphibians.
-Phoberomys pattersoni (also known as “guinea-zilla”) weighed 1,500 lb and was 4.9 ft tall. It’d be impossible not to scream if you saw a buffalo-like rodent charging at you.
-A prehistoric cannibal. Dunkleosteus was not a part of the shark family but was an arthropod or placoderm fish. Its bite was as powerful as that of the Tyrannosaurus rex and modern crocodiles.
-Helicoprion was 35 ft long with shark-like features and was twice the size of the largest known great white shark. Its tooth whorl, which consisted of 15 to 18 serrated teeth, worked like a circular saw when eating its prey.
-Deinosuchus was related to the alligator and could grow up to 39 ft long. They preyed on sea turtles and dinosaurs.
-Gigantopithecus, which translates to “big ape,” was a relative of orangutans. Its teeth, which were falsely branded as “dragon teeth,” were made to grind and chew plants, bamboo in particular.
-Megapiranhas were 2.3 ft long and weighed 20–30 lb. The megapiranha had a bite force of 279–1,069 lb.
-Around 500,000 to 2 million years ago, the giant short-faced bear was the most powerful carnivore around. Its scientific name was “Arctodus simus,” and it weighed between 2,000 and 3,500 lb.
-Titanoboa cerrejonensis’ length was about 40–45 ft, and its average weight was 1.25 tons. Titanoboa looked like a boa constrictor but behaved like an anaconda.
-Megalodon was the largest shark to ever live on Earth. Its teeth were 5” to 7” in height and had a bite force of 24,400–41,000 lb.

#extinctanimals #seacreatres #megalodon

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A Shark Scarier Than the Megalodon Could Exist

Do you know anything about the Black Demon? While oceans cover more than 70% of our planet's surface, people have explored only 5% of the ocean floor. So it's no wonder that the incredible depths hide some pretty terrifying secrets! For example, there’s the Black Demon, a legendary shark said to equal the prehistoric Megalodon in size.

According to the legend, the Black Demon resembles the infamous Megalodon. This terrifying creature was first noticed not far from Mexico's Baja Coast in the Gulf of California. People started to report a huge black shark whose size could be compared with that of the Megalodon. It resembled the great white shark but for its massive tail and dark coloring. The creature got the nickname “El Demonio Negro” (which is Spanish for “The Black Demon”). This shark treats humans extremely aggressively. According to several reports, the creature systematically attacks boats.

TIMESTAMPS:
How big was the Megalodon shark? 1:36
Where the Black Demon was first noticed 3:21
How the Black Demon looks like 4:01
Why is the Black Demon black? 5:37
What researchers think about Black Demon 5:58
Which other creatures live in depths 7:17

#megalodon #sharks

Music by Epidemic Sound

SUMMARY:
- Megalodon was a prehistoric predator that lived from 23 to 2.6 million years ago. It was a truly massive creature. It could grow up to 60 ft, which is longer than a school bus, and its weight could be more than 70 tons, which equals the weight of 10 elephants.
- The Black Demon was first noticed not far from Mexico's Baja Coast in the Gulf of California. People started to report a huge black shark whose size could be compared with that of the Megalodon.
- In 2008, fisherman Eric Mack stated that a huge black shark rocked his boat. He also mentioned that the shark had large sharp teeth and a huge tail that stuck out of the water for no less than 5 ft. The animal looked like a great white but was much more massive.
- In 2012, a real great white shark was caught in the Sea of Cortez. It was more than 20 ft long and weighed a whopping 2,000 lb. However, it was white and didn't resemble the shark described in the legend.
- Some scientists think that if the Black Demon really exists, it's probably an oversized great white that suffers from melanism.
- Other researchers hope that the mysterious animal might be a new species of shark that evolved from the Megalodon. Naturally, there are also skeptics who are sure that the Black Demon is a whale shark.
- There's no real proof of its existence except for the testimonies of eyewitnesses. At the same time, nobody can claim that the creature doesn't exist, even if it hasn't been found.
- In those depths live the most bizarre animals ever known. Ghost sharks, demon cat sharks, deep-sea dogfish. Some of them look like characters from a low-budget horror film.

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Why No Aquarium In the World Has a Great White Shark?

Even if you absolutely love aquariums and have been to dozens of them, there's one sea creature you’ll never ever come across there. Not a single aquarium in the world has a great white shark. Is the great white not cool enough to be put on display? Are people afraid of being attacked even when these animals are confined within thick walls made of special glass?
There have been plenty of attempts to hold these creatures captive. In 1955, the first great white was captured and sent to Marineland of the Pacific in Los Angeles. Unfortunately, the animal didn't even make it through one day at the oceanarium. Scientists still don't know much about the great white shark, but they have come up with several theories.

TIMESTAMPS
Where can you find great white sharks? 0:48
Attempts to hold great white sharks captive 2:28
Why do they suffer so much from being locked up? 5:00
Depression 5:12
Lack of space 5:32
Respiratory problems 6:13
Hunger 7:05
The wrong water salinity 7:36
Why is it important to save the last great white sharks? 7:52

Music:


SUMMARY
-These massive fish can be spotted in cool coastal waters all over the world. “Human” isn’t on a great white’s menu. In general, there are no more than 10 attacks a year.
-In 1955, the first great white was captured and sent to Marineland of the Pacific in Los Angeles. Unfortunately, the animal didn't even make it through one day at the oceanarium. The SeaWorld in San Diego managed to keep a great white for 16 days back in 2003, but they ended up deciding to release the animal back into the ocean.
-Scientists still don't know much about the great white shark, but they have come up with several theories.
-Believe it or not, depression and shock can bring these powerful creatures down.
-No aquarium in the world can provide the animal with conditions to let it move as it does in the wild.
-In a tank, great whites can't move freely, so they develop problems with their respiratory system. What's more, a shark can suffer from hypoxia, or a deficiency of oxygen.
-Since they need to hunt down their prey and eat it alive, they often refuse to eat in captivity.
-You can't even imagine how hard it is to mimic the ocean’s unique water composition.
-Great white sharks are extremely important for keeping the ecological balance in the oceans. Losing just one shark endangers the entire ecosystem. Unfortunately, there are just about 3,500 of them left in the world.

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Who Lives In the Deepest Place On Earth?

Who lives at the bottom of the Mariana trench? Scientists have finally revealed the Mariana Trench mystery. Take a look at the deepest creature ever caught there!

The curiosity of human nature makes people look for secrets and mysteries far away from home, like in outer space or on other planets. Scientists have mapped only 5 percent of our planet’s seafloor. And if you’ve ever considered the ocean plain and boring, the video you’re about to watch will blow your mind.

TIMESTAMPS
The Mariana Trench is the deepest area 0:45
The deepest-living fish in the world 2:40
“Ethereal snailfish” 3:12
A mysterious metallic sound 3:38
Deep sea cucumber 5:50
The deep sea anglerfish 6:20
The barreleye fish 7:13
The Champagne Vent 8:05
The 4-inch amoeba 8:35

SUMMARY
The Mariana Trench is the deepest area you can find on Earth. Although almost everybody has heard the name, we have shockingly little data about this dark underwater place in the western Pacific Ocean.
It’s a monumental task mapping the seafloor and taking pictures when the water pressure at the bottom is more than 1,000 times greater than that at the surface! The Mariana Trench houses the deepest parts of our planet.

Music: The Cave of Poetry by Savfk ( is licensed under a Creative Commons license (
Savfk YouTube channel:

Location of the Mariana Trench: By I, Kmusser, CC BY 2.5


Cut-out from original shown below: By By Masaki Miya et al. - Evolutionary history of anglerfishes (Teleostei: Lophiiformes): a mitogenomic perspective. BMC Evolutionary Biology 2010, 10:58 doi:10.1186/1471-2148- 10-58, CC BY 2.0


Pseudoliparis swirei (Scorpaeniformes: Liparidae), hadal snailfish from the Mariana Trench: By Gerringer M. E., Linley T. D., Jamieson A. J., Goetze E., Drazen J. C. - Gerringer M. E., Linley T. D., Jamieson A. J., Goetze E., Drazen J. C. (2017). Pseudoliparis swirei sp. nov.: A newly-discovered hadal snailfish (Scorpaeniformes: Liparidae) from the Mariana Trench. Zootaxa, 4358 (1):161—177. doi:10.11646/zootaxa.4358.1.7, CC BY 3.0


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Location of the Mariana Trench: By I, Kmusser, CC BY 2.5

Deepest Depth in the Trench (Map view of the bathymetry of southern Mariana Trench area): By University of New Hampshire,



Pseudoliparis swirei (Scorpaeniformes: Liparidae), hadal snailfish from the Mariana Trench: By Gerringer M. E., Linley T. D., Jamieson A. J., Goetze E., Drazen J. C. - Gerringer M. E., Linley T. D., Jamieson A. J., Goetze E., Drazen J. C. (2017). Pseudoliparis swirei sp. nov.: A newly-discovered hadal snailfish (Scorpaeniformes: Liparidae) from the Mariana Trench. Zootaxa, 4358 (1): 161—177. doi:10.11646/zootaxa.4358.1.7, CC BY 3.0

Cut-out from original shown below: By By Masaki Miya et al. - Evolutionary history of anglerfishes (Teleostei: Lophiiformes): a mitogenomic perspective. BMC Evolutionary Biology 2010, 10:58 doi:10.1186/1471-2148-10-58, CC BY 2.0

Deep-sea Holothurian: By NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas,

Researchers solve mystery of deep-sea fish with tubular eyes and transparent head (The barreleye (Macropinna microstoma): By Monterey Bay Aquarium Research Institute (MBARI),

What If The Sun Went Out for Just One Day

Have you ever wondered what would happen if the Sun just suddenly stopped shining? The first thing that probably comes to your mind is that it would get a whole lot darker and colder. True, but that doesn’t even begin to describe what kind of catastrophic event it would be because eventually humankind would meet its eminent demise.
In the first few minutes after the Sun stops burning, life goes on as usual here on Earth because the sunlight itself is still traveling towards the planet. But after 8½ minutes, the skies go black, as if someone just flipped a switch. After an hour, once everybody has realized the situation they’re in, panic ensues on the side of the planet where it's supposed to be daytime. The temperature across the globe drops by several degrees and just keeps going down. One of the worst things is that photosynthesis stops within 24 hours.
Within a week or so, the average temperature on the planet falls below zero. Most plants have already perished due to the cold, and heat-loving animals start to disappear shortly after. People build shelters and try to survive the cold and lack of food. They might be more successful in areas with a lot of geothermal activity, such as Iceland.
After just one year, the planet might host some types of bacteria that can survive even in unbelievably low temperatures. But other life forms on the surface have been wiped away.
Just remember, though, this scenario was just a hypothetical “what if?”. As for the real future of the Earth, it’ll stay firmly “tied” to the Sun.

Music:


TIMESTAMPS
The first minutes after the Sun stops burning 0:54
An hour after the Sun went out 2:21
A day after the Sun went out 3:27
A week after the Sun went out 4:14
A year after the Sun went out 5:36
What happens to planet Earth itself? 6:26
The real future of the Earth 8:35

SUMMARY
Summary:
-8½ minutes after the Sun stopped burning, the whole entire planet would be plunged into darkness. You wouldn’t see the Moon either since there’d be no sunlight for it to reflect.
-An hour after the Sun went out, people would start to fall into the depths of depression. The temperature across the globe would drop by several degrees and keep going down.
-If the Sun didn’t return after one day, the planet would fall in utter chaos. Every living creature on Earth would start having difficulties due to the diminishing oxygen.
-A week after the Sun went out, the temperature all over the world would drop below zero. Most plants would have already perished due to the cold, and heat-loving animals would start to disappear shortly after. People would build shelters and try to survive the cold and lack of food.
-After a year without the Sun, the surface of the Earth would become as cold as 100° below zero. The top layers of the seas and oceans would have frozen over by this time, the only survivors among people (if any) would be on the ocean floor, near geothermal vents. There would be no life on the planet.
-If the Sun stopped burning, its gravitational pull would vanish, and the Earth would fly away into outer space at the same speed. After 43,000 years, the Earth would near Alpha Centauri, the closest star to us.
-As for the real future of the Earth, it’ll stay firmly “tied” to the Sun that will increase in size in several billion years. Hopefully by that time humanity will have found ways to explore and colonize other planets orbiting younger stars.

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Who Lives at the Bottom of Volcanoes?

Most people imagine volcanoes as scary gigantic mountains covered with blazing-hot magma and erupting ash. But in fact, more than 80 percent volcanoes on our planet are situated on the seabed, and there creatures that live on their bottoms. Are you ready to meet these scary real-life monsters?
If you have a look at the underwater volcano situated about two miles below the surface, the conditions there will terrify you, if not kill you. The pressure of water is enormous, the water itself contains many heavy metals, hydrogen sulfide - poisonous, flammable, and corrosive gas, and other toxic substances. Despite these hostile surroundings, more than 400 species live around the volcanoes.
In the Arctic Ocean, far away from any traces of civilization, in ice-cold dark waters, there are five active volcanoes. But unlike typical volcanoes, these formations spew out methane gas and warm mud. They are mud volcanoes.
In 2013, a multinational group of scientists decided to research the mud volcanoes in the Beaufort Sea using the Canadian icebreaker CCGS Sir Wilfrid Laurier. Soon the first results were ready: the mud volcanoes turned out to be real giants, 650 to 1200 yards across and as high as 100 ft. The slopes and the tops of the mud volcanoes are covered with colonies of tube worms. They grow slowly, and it may take them from 170 to 250 years to reach such length. Tube worms are exceptionally long-lived.
Today, scientists are more worried about the Yellowstone Supervolcano. The formation got its name due to its power to produce unbelievably violent eruptions. The crater of this volcano is 34 by 45 miles in size. And the destructive force of the volcano is so huge that according to scientists' calculations, 90,000 people would die instantly as soon as the volcano erupted. Scientists have many equipment set all over the National Park and they assure people that were the volcano to erupt, they would be able to predict this weeks in advance and evacuate those in immediate danger.

Music: Ticker-Silent Partner
Weirder Stuff - Geographer
Cloud Wheels, Castle Builder - Puddle of Infinity
Back of the Room Hang - Jingle Punks


TIMESTAMPS
The 1980s discovery 1:07
Underwater volcanoes 1:45
Mud volcanoes 3:12
The 2013 research 4:54
The Beaufort Sea worms 5:55
Yellowstone Supervolcano 7:37

SUMMARY
-In 1980s scientists discovered unique bacteria that could survive and even thrive above water boiling temperatures.
-Despite super hostile surroundings, more than 400 species live around underwater volcanoes, and they're not only unicellular organisms, but shrimps, worms, sea snakes, crabs, and others.
-Mud volcanoes are quite different from the ones everybody knows about. They form around vents in Earth's surface which release gas.
-In 2013, a multinational group of scientists decided to research the mud volcanoes in the Beaufort Sea using the Canadian icebreaker CCGS Sir Wilfrid Laurier.
-The Beaufort Sea worms spend their life in the complete darkness and have no stomach, anus, or eyes. Their food is gases released by the volcano.
-Yellowstone Supervolcano got its name due to its power to produce unbelievably violent eruptions. The crater of this volcano is 34 by 45 miles in size.

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Did the Megalodon Turn Into the Great White?

A huge whale-eating shark dominated the oceans millions of years ago. Its evolution has been the topic of heated debate among scientists for over 150 years. Until recently, a lot of paleontologists were sure that one of the most ferocious marine predators of our time, the great white shark, descended from the mighty megalodon. Well, recent findings are bringing this long-held belief into question.

TIMESTAMPS:
What Niels Stensen's discovery provided 1:25
Difficulties of reconstructing prehistoric sharks 2:51
What the size of the megalodon was 3:40
What the megalodon ate 4:28
Evolutionary chain of prehistoric sharks 5:11
What the megalodon’s was bite force 6:01
When the megalodon went extinct 7:21
Are great whites descendants of the megalodon? 7:32

Music:

SUMMARY:
- Stensen's discovery provided convincing evidence that glossopetrae were, in fact, fossilized shark teeth! And since some of these “rocks” were about 7 inches long, this was a somewhat unsettling discovery. After all, they were much bigger than any great white’s teeth, which were rarely more than 2½ inches long.
- The problem was in difficulties that researchers had every time they tried to reconstruct prehistoric sharks. The thing is that a shark’s skeleton is made of cartilage, which tends to decompose much faster than bone.
- As for the megalodon, it was the largest predator that’s ever lived on this planet. It could get up to 60 feet long, which is about the size of a semi. It could weigh over 70 tons. To put that into perspective, that’s the combined weight of about 10 elephants.
- Researchers estimate that a full-grown megalodon probably consumed about a ton of food every day, and it had a particular taste for whales.
- The megalodon had approximately 280 of these ginormous teeth arranged in 5 rows. Lost teeth were typically replaced within 2 days max.
- Fossilized megalodon teeth have been discovered in different regions of the world, from North and South America all the way to Australia, New Zealand, and Japan.
- In November 2012, scientists discovered new shark fossils in South America. These remains included a complete jaw with teeth and several vertebrae. The teeth of this new shark were saw-like, but they weren't as sharp as those of the great white or megalodon.
- The great white has much sharper cutting tools than the prehistoric shark. Both of these sharks’ teeth are sort of oval-shaped.
- While the Meg preferred warm regions, great whites lived in the cool waters of the Northern Atlantic.

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Scientists Finally Show Who The Yeti Is

We’ve all heard of the Yeti, but only a few people in the world claim to have seen one. What is this human-like monster? Is it dangerous to us? And, for that matter, does it even exist at all?

Bright Side has summed up results from the latest research on the nature of the Yeti. Are you ready for the truth to be unveiled right before your eyes?
For thousands of years, people have been searching for the Yeti, for any proof of its existence, and for the origins of this creature. If you’re a Yeti fan yourself, you’re not going to love for what we have to tell you.

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10 Biggest Sharks Ever Existed (Meg Isn't Only the Largest!)

Few things terrify people less than sharks. At the same time, the dangers that these predators present fascinate us. We marvel at their power, strength, and size. Indeed, their size can be really impressive. Get ready to greet the 10 biggest sharks that have existed on Earth.

TIMESTAMPS:
Great White Shark 1:13
Pacific Sleeper Shark 3:07
Tiger Shark 4:08
Basking Shark 5:17
Whale Shark 6:04
Cretoxyrhina 7:11
Otodus 7:43
Helicoprion 8:07
Ptychodus 8:33
Megalodon 8:58

#largesharks #meg #dangeroussharks

Music:

SUMMARY:
- The average length of a great white shark is 23 ft. It can move at a speed of 35 miles per hour, which is really fast for underwater traffic. The bite of a great white has a terrifying force of 1.8 tons per square inch. That's 10 times more forceful than a lion's bite.
- Pacific sleeper sharks look unlike any other shark. Their body is shaped like a torpedo, they have a wide blunt head, and their mouth is pretty small. The biggest representatives of this species can grow as long as 23 ft. One more thing that makes Pacific sleepers stand apart is their color. Dark gray or even black helps Pacific sharks blend in with the sunless depths in which they live.
- The tiger shark is one of the largest shark species in the world. Their average length can reach 16 ft, but the largest specimen reached 24 ft. They can weigh 800 to 1,500 lb, which is heavier than the average horse.
- The basking shark is the second largest shark alive today. You don't have to scatter away as soon as you see this bus-sized giant. Basking sharks are gentle creatures whose diet consists of fish eggs, plankton, and other tiny organisms.
- Whale sharks can grow to a whopping 46 ft long, and their weight can reach 12 tons. Just like basking sharks, whale sharks sieve tiny marine organisms through their gills. They also eat small fish, squid, and krill.
- Cretoxyrhina is also known as the “Ginsu Shark.” This creature roamed the seas and oceans 100 million years ago in the Cretaceous Period. These predators reached a weight of 1,000 to 2,000 lb and could grow as long as 25 ft.
- Otodus reigned over the oceans 60 to 45 million years ago. It could grow up to 30 ft in length and weigh more than 4,000 lb. This predator could also boast razor-sharp 4”-long teeth. With the help of these daggers, Otodus feasted on big fish and whales.
- Helicoprion was not only one of the biggest but also one of the most uncommon prehistoric sharks. It lived about 290 million years ago. These sharks got their name “Helicoprion” thanks to the highly unusual coils of teeth lining their jaws.
- Ptychodus lived 90 to 60 million years ago. This was a massive shark that could reach 30 ft in length with a weight that varied between 1,000 and 2,000 lb. This shark was different from other prehistoric sharks because it had large teeth, which, however, were flat.
- The largest of absolutely all the sharks that have ever lived on this planet was Megalodon. This monster shark controlled the oceans 26 to 2.3 million years ago. This shark got its name, “big tooth,” because of its terrifying 7”-long teeth. The average length of this giant was 50 to 78 ft.

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The Truth About the Titanic Has Been Revealed

Recent findings reveal the truth that has been buried for over one hundred years. Scientists have debunked the theory that the cause of the Titanic sinking was an iceberg. Why did Titanic sink? What's the real cause of the Titanic crash?

HOW TITANIC SANK
On April 14th, 1912 at 11:40 p.m. RMS Titanic had a terrible accident that led to its ultimate demise 3 hours later. By 2:20 a.m. in the early morning of April 15th, the biggest ship of its time had completely disappeared under the ice-cold surface of the Atlantic Ocean. The Titanic took more than 1,500 lives with it as it sank to its watery grave.

TITANIC MYSTERY
The cause of this horrible disaster leading to so many deaths was an iceberg the ship crashed into. Or so we’ve always been told... But scientists’ most recent findings have debunked this theory. In this video, we’ll tell you the whole truth that has been buried for over one hundred years.

TIMESTAMPS
How Titanic sank 0:08
How Titanic was made 1:00
The real cause of the catastrophe 3:04
The interior of the Titanic 5:10
Another tragic coincidence 6:20
Another criminal negligence: the lifeboats 7:23
Some people also blame Captain Smith 8:25

HOW TITANIC WAS MADE
The Titanic had 4 massive smokestacks. Each of them weighed 60 tons, and they extended 81.5 feet above the deck. Such an impressive height was necessary to avoid covering the passengers in 100 tons of soot blown off daily. The smokestacks were placed at a 30° angle to look even more astonishing and imposing.
No less awe-inspiring was the cost of the ship. Its construction demanded $7,500,000. If we take into account modern exchange rates and inflation, in 2016 they would be paying $166,000,000. Surprisingly, it would turn out cheaper than the production of the world-famous movie Titanic in 1997, which cost $200,000,000!

Criminal negligence, tragic and unfortunate chain of coincidences, fire or ice: whatever it was, it took the lives of hundreds of people and still keeps the minds of scientists busy to this day. What theory about the catastrophe do you believe? Share your opinion in the comments below!

Senan-Molony-Titanic-Hotel-Belfast-Opening-22. Titanic author and political journalist: By Titanic Belfast, CC BY 2.0 

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All Your Megalodon Shark Facts In One Video

Its full name is Carcharocles Megalodon, but some shark enthusiasts just call it “the Meg.” Whatever name it goes by, this giant was the biggest baddie of the ocean when it terrorized the waters 2 million years ago. Megalodon was the biggest shark of the ocean 23 million years ago. It could grow up to 60 ft, and its jaw bite was stronger than a T. Rex’s. Just imagine, the largest Megalodon tooth ever found is almost 3 times larger than the teeth you’ll find in the great white sharks of today!

And the question is, does Megalodon still exist? Сould these scary sharks still be alive in the deepest parts of the ocean? Theories out there argue that these bad boys of the ocean are still around. As for science, it tells us that Megalodon sharks are extinct. But what if they live in the deepest place on Earth: the Mariana Trench?

In our today's live stream, we're talking about all we know of Megalodon. By the way, you might think there was nothing that could stop them. However, even this massive shark had enemies, and their fights could be lethal...

#megalodon #sharks #prehistoricanimals

Music by Epidemic Sound

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10 Extinct Creatures That Could Have Ruined The World

Do you think that dinosaurs were kind of scary? Think again! In its time, evolution created creatures so terrifying they make dinosaurs look like cute little babies! So do you want to find out which creatures would've completely destroyed our world if they were alive today? Then let's get started!

TIMESTAMPS:
Liopleurodon 1:04
Arthropleura 2:15
Megalania 3:23
Dunkleosteus 4:47
Jaekelopterus 6:03
Sarcosuchus 7:03
Gorgonops 8:24
Titanoboa 9:40
Meganeuropsis 11:07
Helicoprion 12:28

#extinctanimals #extinctcreature #seacreatures

Music:

SUMMARY:
- Liopleurodon was a giant marine reptile from the family of short-necked plesiosaurs. This species lived during the Callovian stage of the Middle Jurassic Period. The typical size of a Liopleurodon varied from 16 to 23 ft, but the largest reached over 33 ft.
- Arthropleura lived in the territories of current northeastern North America and Scotland about 315 million years ago. The species ranged from almost one to 7 ft in length and were around 2 ft in width. Arthropleura's body was apparently composed of around 30 jointed segments covered by 2 side plates and one center plate.
- Megalania is the biggest monitor lizard you can possibly imagine. The youngest of its fossils dates back to approximately 50,000 years ago. The length of the largest Megalanias reached around 23 ft with a maximum weight of 1,320–1,370 lb. They were unbelievably active hunters.
- Dunkleosteus became extinct about 358–382 million years ago during the Late Devonian period. However, there wasn't just one Dunkleosteus — there were actually 10 species of it, including D. terrelli, D. denisonii, and D. magnificus. D. terrelli, the largest of them, was almost 20 ft long. Most Dunkleosteus fossils were found in North America, Poland, Belgium, and Morocco.
- Jaekelopterus was a giant predatory sea scorpion Scientists confirmed that Jaekelopterus reached a size of nearly 8.5 ft, which makes it the largest arthropod ever.
- Sarcosuchus, a distant relative of living crocodiles, lived about 112 million years ago. It had somewhat telescoped eyes and a long snout with 35 teeth on each side of its upper jaw and 31 teeth on each side of its lower one.
- Gorgonopses lived around 260 million years ago, terrifying all the smaller species of that time. As for their size, these creatures were about 10 ft long and weighed nearly 1,000 lb. They were basically at the top of the food chain.
- Titanoboa lived in the region that's now a part of northeastern Colombia, and its fossils date back to about 58–60 million years ago. Titanoboa holds the scary record for the largest snake ever discovered with a total length of nearly 48 ft and a weight of about 2,500 lb.
- Meganeuropsis still continue to be the biggest insect of all time with a wing length of 13” and a body length of almost 17”. The very first fossils of Meganeuropsis were actually discovered in France back in 1880.
- Helicoprion lived was around 290 million years ago, living in North America, Eastern Europe, Asia, and Australia's waters. The most distinctive feature of Helicoprion was its circular jaw. Helicoprions proved to be incredibly strong since they survived the Permian-Triassic Extinction Event that killed 90% of marine animals and around 70% of terrestrial ones.

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What if the Livyatan Melvillei Didn't go Extinct?

Today we investigate one of histories scariest real-life sea monsters! The Livyatan Melvillei, which lived alongside the Megalodon shark over 7 million years ago!

Learn more about this killer sperm whale and how it may of permanently changed human history! This legendary terror has never been caught on tape, however, thanks to fossils found in Cerro Colorado we still know what the LIvyatan looked like, at least to some extent!

Livyatan VS Megalodon - Who would win? We believe that they were most likely somewhat evenly matched, and both may have eaten each other's young. Two adults - a Megalodon Shark vs Livyatan Melvillei would be a truly epic fight, and would most likely be decided based on individual strengths of each.

Should we make a video on megalodon sharks as well? Would you like to learn about more prehistoric sea creatures? Make sure to leave a like and subscribe with notifications on for more awesome content!

Awesome Voice Work Done By Darren Marlar -

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A New Bermuda Triangle Theory Explains Its Mystery

The Bermuda Triangle is one of the biggest mysteries in the world. This region, shaped in the form of a triangle, is situated in the North Atlantic Ocean between Miami, Puerto Rico, and Bermuda. More than 150 planes, cargo ships, and smaller vessels have met their demise in this cursed area. Even with modern technology and communication systems, vessels still keep vanishing. The latest discovery may shed a different light on the eternal enigma.

#bermudatriangle #brightside

TIMESTAMPS:
The most recent accident 1:45
The methane gas theory 5:12
Wormholes theory 5:44
Waterspouts theory 6:06
A hole in the electromagnetic forces of the planet 6:27
The human error theory 6:47
The alien theory 7:11
Enormous rogue waves 7:49
Holes in the sea 10:05

Music:

SUMMARY:
- The most recent accident was also the most disastrous for the last 30 years, and it happened on October 1, 2015. That day, the huge cargo ship SS El Faro went missing in the area of the Bermuda Triangle. The search continued for weeks, and SS El Faro was finally spotted. It was positioned upright and in one piece at a depth of 15,000 ft in the Atlantic. The search party found no trace of the crew.
- Some researchers believe that ships and planes crash and disappear in the area due to methane gas. And it has indeed been proved that there are massive stores of this gas in some areas of the ocean floor. Therefore, when gas is released into the water, the process can sink ships and make planes crash.
- The wormholes theory is preferred by those who love sci-fi. In short, a wormhole is a space-time shortcut. While the existence of wormholes hasn't been proven yet, this doesn't stop some people from believing that this phenomenon is what causes vanishings in the Bermuda Triangle.
- Waterspouts (more simply, tornados at sea) are said to have been spotted in the Bermuda Triangle. This weather phenomenon sucks water many feet up into the air. Potentially, this can make a ship disappear with eerie ease.
- Compasses are reported to malfunction in the Bermuda Triangle. This place is one of the few on Earth where compasses have problems pointing north. This can lead to sailors and pilots going off their course.
- The human error theory sounds rather disappointing for those who love mysteries! However, some people are sure that all the crashes and disappearances in the Bermuda Triangle happen due to people's mistakes. There are too many confusing islands that are hard to distinguish from one another as well as the difficult weather condition.
- No mystery can exist without an explanation of alien interference. It's just too convenient to blame disappearances on extraterrestrial forces. Though why aliens would choose exactly this area for their abductions remains unknown.
- The most recent findings of scientists allow them to claim that the mystery of the Bermuda Triangle has finally been solved. The culprits are huge sea monsters! But when we say “monsters,” we do not mean living creatures. They are enormous rogue waves that were believed to be a myth. Rogue waves are terrifying and anomalous. They are massive walls of water that move across the ocean. Rogue waves can have a force of 9 metric tons per square foot. To compare, the average 40-ft-high wave has a force of only 0.5 metric tons per square foot.

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Why Whales Became the Biggest Animal of All Time

Today’s whales can grow up to a whopping 98 ft in length! But did you know that just a few million years ago they only grew to about 32 ft? Have whales been eating loads of spinach all these years, or did something shift over time that made them grow into the massive sea beasts they are today?

In fact, when whales first came on the scene nearly 50 million years ago, they looked nothing like they do today. In fact, they didn’t even live underwater! And today, some whales still have remnants of what used to be a bone for a hind leg in their skeleton (it just doesn’t show outside the skin). Could you imagine if whales still sported legs like their early ancestors did? That would look pretty funny.

Other videos you might like:
10 Extinct Animals That Shouldn't Be Brought Back
10 Extinct Creatures That Could Have Ruined The World
A Unique Creature on Earth That Can Never Be Killed


TIMESTAMPS:
What the “first whale” looked like 1:18
How it evolved 2:08
Why whales grew larger and larger 4:55
How far whales can travel 5:24
How big the blue whale is 5:45
Which land animal is a whales’ relative 6:42
How much bigger are whales going to get? 7:48

#whales #bluewhale #prehistoricanimals

Preview photo credit:

Pakicetus model - Took the picture at Museo di Storia Naturale di Calci - Pisa: By Ghedoghedo/Wikimedia, CC BY-SA 4.0
Animation is created by Bright Side.

Music by Epidemic Sound

SUMMARY:
- Pakicetus was a 4-footed land mammal and is known as the “first whale.” It was about the size of a wolf and was a carnivore. These mammals lived on land by shallow waters known as the Tethys Sea.
- Some scientists believe that Pakicetus was a land dweller who was forced to swim in the ocean due to lack of food on land or warm temperatures. As they spent more and more time in the water, the animal evolved into a creature that lived in the sea.
- One of the first evolved animals to come from Pakicetus was a species known as Ambulocetus. It lived near estuaries somewhere between 50 to 48 million years ago.
- Over a period of about 37 million years, Pakicetus gradually evolved into over 80 different species of whales. That’s why 27.5 million years ago, one of the first whales was significantly smaller than they are today.
- Whales definitely didn’t start out as the titans of the sea they are today as their smaller size made them easy prey for predators like hungry sharks.
- To say whales were well fed at this time was an understatement! Whales everywhere filled their tummies with scrumptious krill, and they grew larger and larger.
- Whales are consistently the biggest animal on our planet these days. The blue whale, for example, weighs more than a Boeing 757 — passengers and bags of peanuts not included. And their belly buttons are the size of a dinner plate!
- While science has proven that whales have evolved from Pakicetus, they have another possible relative that still lives on Earth with us today: hippos!
- Many scientists believe that whales have hit their capacity for growth once they measure 109 ft. That’s because at 110 ft, a whale can’t physically close their mouth within 10 seconds before its prey escapes. If it took any longer, they wouldn’t be able to eat, which would lead to their death.

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