PBS
Why We Only Have Ten Toes (It's a Long Story)
Today, all mammals from humans to bats have five fingers or fewer. Yes, even whales, whose finger bones are hidden in their fins. Birds have four or fewer and amphibians get the best of both worlds, often having four digits on their...
PBS
Our Ancient Relative That Said 'No Thanks' To Land
Around the time that some of our fishapod relatives were crawling out of the water, others were turning around and diving right back in.
SciShow
The Physics of Roller Coasters
Roller coasters give people the opportunity to experience physics in dramatic ways. In this episode of SciShow, we break down how physics work on roller coasters to give you the ride of your life!
SciShow
Why Humans May Actually Be Fish
Is there a chance that more species may actually be closer to fish than we originally thought?
SciShow
Where Are A Whale's Nipples?
Like dolphins, manatees, and other marine mammals, whales have nipples hidden in surprising places.
TED-Ed
These squids can fly... no, really | Robert Siddall
In 1947, explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow, small squid known to live deep beneath the waves kept appearing on the roof of their boat. The crew was mystified— until they saw the squids...
SciShow
A Very Handy Fish Fossil
This week, scientists discover something in a fish fossil that might give us a hand in finding our earliest land-dwelling ancestors.
SciShow
How Does a Box-Shaped Fish Swim?
Box-shaped fish might seem like they don't have the most efficient body shape, but there are some surprising perks to being an underwater cuboid creature.
TED-Ed
TED-ED: The coelacanth: A living fossil of a fish - Erin Eastwood
The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas for 360 million years. Erin Eastwood details the surprising "back from the dead"...
TED Talks
Jim Toomey: Learning from Sherman the shark
Cartoonist Jim Toomey created the comic strip Sherman's Lagoon, a wry look at underwater life starring Sherman the talking shark. As he sketches some of his favorite sea creatures live onstage, Toomey shares his love of the ocean and the...
TED Talks
Ivan Poupyrev: Everything around you can become a computer
Designer Ivan Poupyrev wants to integrate technology into everyday objects to make them more useful and fun -- like a jacket you can use to answer phone calls or a houseplant you can play like a keyboard. In a talk and tech demo, he lays...
MinuteEarth
Which Fish Did We Evolve From?
Today's oceans are full of fish with fins that couldn't evolve into limbs like ours. So, who are our ancestors and where did they go?
SciShow
The Fish that Strolls on the Sea Floor
We may never know when our ancestors walked out of the water into dry land. But it's possible they may have been walking in water for millions of years!
TED-Ed
TED-ED: Why are fish fish-shaped? - Lauren Sallan
In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish swims up to 110 kilometers per hour. These feats are made possible by a fish's...
Be Smart
Sonic the Hedgehog Is Why You Have Thumbs!
The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I...
Crash Course
How Not to Set Your Pizza on Fire: Crash Course Engineering #15
Today we’re going to explain how exchangers...exchange heat. We’ll look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And we’ll look at some equations to help us sort through heat transfer...
Crash Course
Chordates - CrashCourse Biology
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal...
Curated Video
Exploring the World of Fish: Anatomy, Behavior, and Classification
This video provides an overview of different sea creatures, explaining which ones are fish and which ones are mammals. It also delves into the anatomy and characteristics of fish, including their fins, circulatory system, feeding habits,...
Curated Video
What is a Fish?
Fish are by far the most diverse of all the vertebrate groups. Discover the shared characteristics that make a fish, a fish. Biology - Animal Kingdom - Learning Points. Fish are aquatic vertebrates. Jellyfish, starfish and other marine...
Curated Video
Seahorse
Seahorses are terrible swimmers. Discover how this has influenced the way they look, what they eat and how they defend themselves. Biology - Animal Kingdom - Learning Points. Seahorses are a type of bony fish with a thin skin instead of...
Curated Video
How Did Amphibians Evolve?
Over millions of years, fish species evolved to leave water and survive on land, producing the characteristics shared by all amphibians. Biology - Animal Kingdom - Learning Points. The coelacanth is a lobe-finned fish that evolved 400...
Curated Video
Mudskippers
Meet the very unusual mudskipper fish – it can walk on land! Life processes - Living processes - Living things Learning Points All living things react to their environment. All living things reproduce. All living things need nutrition...
Wonderscape
Mastering Rocket Stability and Control
Explore the intricacies of rocket stability and control. This part delves into the roles of rocket fins, the center of gravity, and the center of pressure, essential for maintaining a rocket's path and safety during flight. Physics of...