SciShow
The Ocean's Most Important Crystal
When we think of the ocean and what's in it, you probably think of stuff like fish, or salt, or seaweed. But there's a crystal that is so vital to marine life that they take dissolved materials in that salty water and build it...
SciShow
This Element Doesn't Fit the Periodic Table
One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it.
PBS
When Ichthyosaurs Led a Revolution in the Seas
The marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.
SciShow
The Strange Life of a Giant Cell | The Xenophyophore
What on earth is a xenophyophore? It's a single-celled organism that unlike what you might think is NOT microscopically small. In fact, these ocean dwellers are a little heftier than that! Learn all about them in this new episode of...
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
SciShow
3 Secrets About Ancient Earth, Hidden in Marine Fossils
Fossils can provide clues to the conditions that ancient species lived in, like what their environments felt like, how deep in the water some species lived, or even how long the Sun was out!
SciShow Kids
Using Our Senses to Explore the Beach! | Science at the Beach! | SciShow Kids
Squeaks went on a trip to the beach, and wants to tell Mister Brown all about it! And, we can learn all about the science that formed the beach, plus a guest appearance by Grady the tardigrade to talk all about the plants and animals in...
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 Talks
Sarah Parcak: Archaeology from space
In this short talk, TED Fellow Sarah Parcak introduces the field of "space archaeology" -- using satellite images to search for clues to the lost sites of past civilizations.
SciShow
Why Scientists Briefly Thought the Earth Was Hollow
Our understanding of the world has to start somewhere! And while early ideas like the Hollow Earth Theory are mostly wrong and sound silly to us now, that doesn’t mean they weren’t important.
SciShow
Mysterious Mars News
Hank brings us news from planets all around the solar system: Mars, Mercury, and even planet Earth have been in the news lately. A retraction from NASA about the Curiosity mission; the discovery of water and organic material in craters...
MinuteEarth
How This Sea Shell Knows the Weather in Greenland
Foraminifera - tiny, single-celled marine life forms - build gorgeous houses that record how much ice there is on the planet. FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some...
PBS
How the Squid Lost Its Shell
The ancestors of modern, squishy cephalopods like the octopus and the squid all had shells. In ancient times, their shell was their greatest asset but it eventually proved to be their biggest weakness.
SciShow
5 Clues to Earth's Climate History
As Earth’s climate changes, one of the hardest things to figure out is exactly how the planet will change in response. And while we can’t know the future for sure, we can get a lot of good clues from the past.
TED-Ed
TED-Ed: How turtle shells evolved... twice - Judy Cebra Thomas
Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making. -- Modern turtle shells are almost as diverse as the turtles themselves. Sea turtles have flatter, lighter shells for...
SciShow
3 Secrets About Ancient Earth, Hidden in Marine Fossils
Fossils can provide clues to the conditions that ancient species lived in, like what their environments felt like, how deep in the water some species lived, or even how long the Sun was out!
SciShow
Crabs Keep Turning Into Land Animals!
When a species evolves from living in water to living on land it’s called terrestrialization, and it’s not an easy task. Yet crabs keep making the jump from sea to shore. Why? And how do they do it?
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
Be Smart
How Baby Sea Turtles Find Their Way Home
Find out how baby sea turtles find their way home after hatching!
SciShow
The Moth That Drinks Bird Tears & 6 Other Absurd Diets
These organisms don’t just dabble in out-of-the-box delicacies, they make some really bizarre dietary choices! Chapters View all FRUIT-EATING CROCODILES 0:57 SNAIL-SLURPING SNAKES 3:14 SHELL-CRUNCHING CATERPILLAR 5:31 PORTA-POTTY PITCHER...
SciShow
How to Find Thousands of Oceanic Fossils in... Ohio?
Modern-day Ohio is more than 600 kilometers from the ocean - yet it has thousands of ocean fossils dating back to the Ordovician, giving us a glimpse at its past under an ancient, fishless sea.
SciShow
8 Bone Eating Animals
Bones are hard to digest and can be downright dangerous to eat, but some animals have evolved pretty bizarre adaptations to accommodate their crunchy, splintery diets.
TED Talks
TED: The fascinating secret lives of giant clams | Mei Lin Neo
When you think about the deep blue sea, you might instantly think of whales or coral reefs. But spare a thought for giant clams, the world's largest living shellfish. These incredible creatures can live to 100, grow up to four and a half...
TED Talks
TED: The beautiful nano details of our world | Gary Greenberg
When photographed under a 3D microscope, grains of sand appear like colorful pieces of candy and the stamens in a flower become like fantastical spires at an amusement park. Gary Greenberg reveals the thrilling details of the micro world.