SciShow
Something's Been Making Weird Pits in the Seafloor
For years, scientists couldn't solve the mystery of strange pits on the floor of the North Sea. Initially they blamed methane seeps, but it seems like the pits were actually made on porpoise.
PBS
The Extinction That Never Happened
Natural history is full of living things that were long thought to have gone extinct only to show up again, alive and well. Paleontologists have a word for these kinds of organisms: They call them Lazarus taxa.
SciShow
There’s a New Biggest Animal (Maybe)
Move over, blue whale! Perucetus colossus, a basilosaurid whale that lived 39 million years ago, may have been the biggest animal ever. It has the heaviest skeleton ever found, which may make it the new largest animal of all time.
TED-Ed
TED-Ed: Surviving the coldest place on Earth | Nadia Frontier
The vast, white surface of Antarctica stretches for over 3 million square kilometers. On the coast of this expanse, just a few meters beneath the ice, lies a remarkably diverse realm that is home to over 8,000 species of sea denizens who...
PBS
How the Starfish Got Its Arms
The story of how the starfish got its arms reminds us that even animals that might be familiar to us today can have incredibly deep histories - ones that stretch back almost half a billion years.
PBS
How Ancient Whales May Have Changed the Deep Ocean
It looks like the evolution of ocean-going whales like Borealodon may have affected communities found in the deep ocean, like the ones found around geothermal vents. And it turns out that when a whale dies, that’s just the beginning of...
PBS
Where Are All The Squid Fossils?
It might surprise you but cephalopods have a pretty good fossil record, with one major exception. If squids were swimming around in the same oceans as their closest cousins, where did all the squids go?
PBS
These Fossils Were Supposed To Be Impossible
Hidden in rocks once thought too old to contain complex life we may have found the animal kingdom’s oldest known predator.
PBS
How Worm Holes Ended Wormworld
Elongated tubes, flat ribbons, and other “worm-like” body plans were so varied and abundant that a part of the Ediacaran is sometimes known as Wormworld. But in the end, the ancient Wormworld was ended by the actions of its very own worms.
MinuteEarth
Why Continents Are High
Lots of geological forces need to come together for continents to form, but they all require one ingredient: water.
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.
SciShow
Why Don’t Jellyfish Look Like That?
When you think of a jellyfish, do you imagine an angelic stingy blob? That's just one stage of the life of a jelly!
SciShow
This Robot Filled the Deep Ocean Gap in the Carbon Cycle
Carbon is fundamental to life on Earth. And it goes through a complex cycle, from up in the atmosphere, to the depths of the ocean. But down there, the carbon trail gets harder to follow. Or at least, it was that way until this little...
SciShow
Doggerland: A Real-Life Atlantis
Though we probably won’t find a literal Atlantis beneath the sea, that doesn’t mean that a human settlement hasn’t ever been lost to the water. Meet Doggerland.
SciShow
How Giant Creatures Eat Tiny Meals: 5 Fabulous Filter Feeders
Some of the largest creatures that have ever lived on earth thrive by eating tiny prey. Why don’t they eat bigger fish, and how can they even consume these things they can barely see? Here are 5 creatures that grow to be giants by eating...
SciShow
The Amazing Life Cycle of Mountains | SciShow Compilation
Mountains may look like they've all been stagnant for thousands of years, but the life cycle of a mountain is actually quite fascinating. From mountain ranges in space, to why Earth isn’t a water-world, here are some videos exploring the...
SciShow
Life Inside a Dead Whale
Ever wonder what it'd be like to have a whale as a house? Wonder no more after you watch this episode of SciShow! Hosted by: Michael Aranda
SciShow
Cockroaches, Alligators & Other Weird Sources of New Drugs
Some of humanity’s favorite antibiotics are starting to lose their mojo, in the face of smart, sneaky, and rapidly-evolving bacteria. To find new drugs to combat these superbugs, scientists are looking in some weird new places, like...
MinuteEarth
How to Make a Seashell - Just Add Water
Why do shell building living creatures live near the surface of the ocean? Learn how chemistry creates a dissolving depth for calcium and determines where shell builders can live.
TED-Ed
TED-Ed: The most important anus in the ocean
Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? In fact, it’s a humble sea cucumber: a brainless, fleshy form surrounding a digestive tract, and bookended by a mouth and an anus. And while it might look odd, its daily...
SciShow
SciShow Quiz Show: Katelyn Salem vs. Hank Green
Welcome back to SciShow Quiz Show! Katelyn Salem of Kate Tectonics competes against Googleable internet sensation, Hank Green.
SciShow
Deep Sea Microbiome: SciShow Talk Show
Hank talks with MacArthur Fellow Dr. Victoria Orphan of CalTech about organisms of the deep sea and the impact it has on our environment.
SciShow
Without Volcanoes, Earth Might be Dead
You might think of plate tectonics as destructive since it's the ultimate force behind earthquakes, tsunamis, and volcanic eruptions. But the slow movement of our planet's surface does a lot more than shake things up now and then. Some...
TED-Ed
TED-Ed: Is this the most successful animal ever? | Nigel Hughes
Prevailing for around 270 million years and encompassing more than 20,000 distinct species, trilobites are some of the most successful lifeforms in Earth's history. When they sprung into existence, they were among the most diverse and...