Tag «Hank»

Why Are Marine Mammals So Big?

Why Are Marine Mammals So Big?

[♪INTRO] The blue whale is the largest animal that’s ever existed, heavier than even the biggest of dinosaurs. But scientists have debated why whales are so huge for a long time. The prevailing idea is that if you live in water, buoyancy allows you to get bigger than if you lived on land. But it …

7 Things We Don’t Know About the Ocean

7 Things We Don’t Know About the Ocean

Humans have done a pretty good job of exploring the Earth thus far, climbing mountains and crossing continents and planting our flags all over the place in the name of science. But one part of the world that has remained pretty mysterious to us also happens to cover more than 70% of its surface: the …

8 Strange New Deep Sea Creatures

8 Strange New Deep Sea Creatures

Happy World Oceans Day! We’re celebrating Earth’s oceans this whole week, with a series of videos about … the oceans. Turns out they’re full of some pretty weird things, and there’s a lot going on down there that we still don’t understand. And the deepest oceans are among the least understood habitats on Earth, because …

Why Are There No Sea Snakes in the Atlantic?

Why Are There No Sea Snakes in the Atlantic?

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.org/SciShow to learn more. [INTRO ♪] Sea snakes are the most common group of marine reptiles in the entire ocean, with almost seventy individual species. But despite their impressive diversity, none of them live in the Atlantic Ocean. Which is weird, and also nice! …