Topic: water

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Reversing Arrow Illusion

We just tried this super easy Reversing Arrow Illusion, and it is, in fact, super easy. Draw two left-pointing arrows on a piece of paper and then put a clear, empty glass between you and thos...

The Mudskipper: An amazing amphibious fish

This amphibious fish is called a mudskipper and it uses its pectoral fins to walk on land, specifically mud. It also rolls, jumps, digs, excavates, socializes, fights for territory, and breathes...

Chinese Giant Salamander – Songs for Unusual Creatures

In this episode of Songs for Unusual Creatures, Michael Hearst visits the Los Angeles Zoo's Chinese Giant Salamander. This is the world’s largest salamander and the world’s largest...

Underwater time lapse can show the secret life of a coral reef

For the last five years, Dr. Pim Bongaerts of University of Queensland’s Global Change Institute has been documenting the lives of corals through time lapse photography. It all happens t...

Science Demo: How to make Pearls of Water

Gravitational acceleration + optical illusions + how to! In this Get Set… Demonstrate, science teacher Alom Shaha shows step by step how to create Pearls of Water, a physics-defying dem...

The Kingfisher hunts for fish on the River Shannon

From PBS’ Ireland’s Wild River, this is how the vibrantly-colored, diving Kingfisher hunts for fish on the River Shannon.

Island by Vincent Broquaire

Island, an animation by Vincent Broquaire. Previously: Progress Bar. Watch more animation.

The Netherlands: Working Windmills

How can the physics and engineering of wind and water change a country? From the world of European travel guides, here’s a quick primer: The Netherlands: Working Windmills. 300 years...

Dessin sur sable (sand drawings): Evolution of Earth

The universe, underwater creatures, and great dinosaurs come alive in sand. Dessin sur sable (sand drawings) by Jin Lee: Evolution of Earth. via Daily Picks and Flicks.

Wild Oceans: Hammerhead Shark Swarm

From Earth Touch: Wild Oceans, a dive off the coast of Mozambique reveals a beautiful surprise swarm of hammerhead sharks. In the archives: more sharks, more Mozambique and more Earth Touch vi...

The Science of Snowmaking

From The New York Times, Olympics 2014: The Science of Snowmaking:  Machines make snow the same way nature does, by freezing water droplets. But they do it a few feet above the ground, rat...

The Sea Pig – Songs for Unusual Creatures

Gather some stuff from around the house to make music with because it’s time for another Songs for Unusual Creatures with Michael Hearst and special guests The Kronos Quartet: A Song fo...

TED Ed: The Pangaea Pop-up

This papercraft pop-up book illustrates how South America and Africa used to be connected, how the supercontinent Pangaea broke apart 200 million years ago, how the Earth's seven primary tecto...

Minute Earth: How do trees survive winter?

How do trees survive winter? This episode of Minute Earth explains. Related watching: The Story of Frozen Food and Why The Full Moon is Better in Winter.

Banggai Cardinalfish eggs

Despite what it looks like, this is not a short clip from a Hayao Miyazaki film. These are banggai cardinalfish eggs with still-forming fish inside. Their eyes are quite clear. Can you see their heartbeats? These t...

Dara Ó Briain’s Science Club: What is a comet made of?

What makes up a comet? Professor Mark Miodownik mixes the makings of one together with comedians Dara Ó Briain and Mark Steel in this episode from Dara Ó Briain’s Science Club.

Magnapinna Squid – Songs for Unusual Creatures

In this episode, Songs for Unusual Creatures investigates the wonderful but rarely-spotted Magnapinna Squid, as well as the horn music that it has inspired. While the deep sea Magnapinna or Bi...

Gary Greenberg’s microscope photography of sand grains

This short promo video for artist Gary Greenberg's microscope photography is a great introduction to exploring the tiny, ancient rocks that we call sand. Check out how diverse their details...