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Deep Look: What Gives the Morpho Butterfly Its Magnificent Blue?

What does it mean to be blue? Let's look deep into something called structural coloration, the physics of light, and how it's possible that the Morpho butterfly's wings appear to be blue, despite their containing no b...

Ocean sponges have incredible filtering power

Ocean sponges are fascinating multi-cellular animals that don't walk or swim. They eat by filter-feeding, straining the water around them to capture organic debris particles and microscopic life forms. How powerfu...

The art of making a book: Setting type, printing, & binding by hand

Before machines automated the process of printing and binding books, but after books were made with handwritten pages or large, hand-carved wood blocks, books were typeset with small metal pieces, printed, and bound/s...

The Dot & the Line: A Romance in Lower Mathematics (1965)

Winner of the Academy Award for Animated Short Film in 1965, and adapted from the celebrated book by Norton Juster, best-known for Phantom Tollbooth, this is The Dot and the Line: A Romance in Lower Mathematics. Th...

AMNH Origami: Fold a Jumping Frog in 13 Easy Steps

In celebration of the American Museum of Natural History's annual Origami Holiday Tree, a 40 year tradition, the museum has released a series of short origami-making videos. Above, how to fold a jumping frog from an i...

Deep Look: The Hidden Perils of Permafrost

When you put a permafrost core in a CT scanner and analyze the data, you're traveling back in time to answer important questions: What was buried deep within the frozen soil? How much of it is ice or plant matter? How...

The Birth of a Snowflake (A snowflake melts in reverse)

What if puddles turned into snowflakes? If they did, it might look something like this: YouTuber Armand9x filmed this snowflake melting and then ran it backwards to create The Birth of a Snowflake, a short but sweet 2...

Stop motion by PES: Submarine Sandwich and Western Spaghetti

Come visit the deli where a Submarine Sandwich is made from sports equipment, toys, and other playfully-delicious looking stuff. Stop motion filmmaker PES is well-known for filling his films with visual surprises, whe...

WNYC: Bodega Cats In Their Own Words

"There are no cats quite like New York City bodega cats—if only they could talk. Well, now they can." This charming series by Amy Pearl and Jennifer Hsu chronicles the lives of New York City Bodega Cats In Their...

TED Ed: What are those floaty things in your eye?

Have you ever seen something small and strangely transparent float into your field of vision? ...as if it's on your eyeball? No, you're not seeing things! And no, those are not microscopic bugs or bits of dust in ...

TRENDING TODAY

Ocean sponges have incredible filtering power

Ocean sponges are fascinating multi-cellular animals that don't walk or swim. They eat by filter-feeding, straining the water around them to capture organic debris particles and microscopic life forms. How powerfu...

The art of making a book: Setting type, printing, & binding by hand

Before machines automated the process of printing and binding books, but after books were made with handwritten pages or large, hand-carved wood blocks, books were typeset with small metal pieces, printed, and bound/s...

Full Moon Silhouettes: A full moon rises in real time

This is not a time lapse video. Rising in real time over Wellington, New Zealand, the moon appears huge (and perhaps surprisingly speedy) as it was captured by photographer Mark Gee in January of 2013. In celebration ...

My Mum is an Airplane

Oh, the adventures that you'll have flying through the sky — across all kinds of cities, through storms, over mountains, delivering mail and dropping off skiers — all of those things can happen when your m...

The Dot & the Line: A Romance in Lower Mathematics (1965)

Winner of the Academy Award for Animated Short Film in 1965, and adapted from the celebrated book by Norton Juster, best-known for Phantom Tollbooth, this is The Dot and the Line: A Romance in Lower Mathematics. Th...

Stop motion by PES: Submarine Sandwich and Western Spaghetti

Come visit the deli where a Submarine Sandwich is made from sports equipment, toys, and other playfully-delicious looking stuff. Stop motion filmmaker PES is well-known for filling his films with visual surprises, whe...

Alaskan Kayaking Adventure: New Lives in the Wild

Paddle out to a glacier with locals Bretwood Higman and Erin McKittrick to witness Alaska's majesty by kayak in this clip from Ben Fogle's New Lives In The Wild, a BBC show about people who have chosen to move to more...

Deep Look: The Hidden Perils of Permafrost

When you put a permafrost core in a CT scanner and analyze the data, you're traveling back in time to answer important questions: What was buried deep within the frozen soil? How much of it is ice or plant matter? How...

WNYC: Bodega Cats In Their Own Words

"There are no cats quite like New York City bodega cats—if only they could talk. Well, now they can." This charming series by Amy Pearl and Jennifer Hsu chronicles the lives of New York City Bodega Cats In Their...

What happens when you pour ball pit balls onto an escalator?

They bounce down, they’re carried up, they bounce down, they’re carried up… how long can this go on?! This is what happens when someone pours a huge bag of ball pit balls onto an escalator. (P.S. kiddos, it’s best not...

AMNH Origami: Fold a Jumping Frog in 13 Easy Steps

In celebration of the American Museum of Natural History's annual Origami Holiday Tree, a 40 year tradition, the museum has released a series of short origami-making videos. Above, how to fold a jumping frog from an i...

The Birth of a Snowflake (A snowflake melts in reverse)

What if puddles turned into snowflakes? If they did, it might look something like this: YouTuber Armand9x filmed this snowflake melting and then ran it backwards to create The Birth of a Snowflake, a short but sweet 2...

IN THE ARCHIVES

Soft-bodied robot that uses camouflage

From Ed Yong at Discovery Magazine:  The camo-bot is an upgraded version of a soft-bodied machine that strode out of George Whitesides’ laboratory at Harvard University last year. That white, translucent machine am...

Cai Guo-Qiang: Mystery Circle

Over 40,000 rockets blasting off from the wall of the Geffen Contemporary. On Saturday April 7, artist Cai Guo-Qiang marked the opening of his exhibition with Mystery Circle: Explosion Event for The M...

Learn how to play the Star Wars Imperial March on piano

May the 4th be with you! Have a piano? Or just love music and/or Star Wars music? Then please enjoy this simple Imperial March tutorial, a slightly more advanced Cantina Band tutorial, and for inspiration, five year ...

British Pathé: The Dynasphere

Oh, British Pathé! You and this Dynasphere are both awesome. The kid should definitely see how crazy this vehicle is! From wikipedia:  The Dynasphere was a monowheel electric vehicle invent...

How It’s Made: Bike Chains

How bike chains are made, from the show How It’s Made. I can’t remember how we happened upon this video, but the kid loves it… all of those little shiny pieces so easily found in action out in the w...

Science Experiment: Undersea Adventures

What do you do when your science experiment doesn’t go that well? Try, try again. It’s science afterall, and there’s much to be learned by something not working, too. A great video by Mike Adamick an...

MOST SAVED VIDEOS

The Hammer-Feather Drop in the world’s biggest vacuum chamber

...though in this case, "the hammer" is a bowling ball. In this excellent clip from the BBC's Human Universe: Episode 4, Professor Brian Cox visits NASA’s Space Power Facility in Ohio, home of the world's biggest vacu...

Snowtime: the timelapsed formation of snowflakes

The timelapsed formation of snowflakes in macrofocus by Vyacheslav Ivanov. Music: Aphex Twin - Avril 14th. Update via Colossal: “Ivanov confirms from his home in St. Petersburg that th...

TED Ed: How playing an instrument benefits your brain

Your brain is a muscle. When you give it more challenging exercises, you're strengthening your brain's abilities to learn and grow. Now add some music to the mix: When you listen to music, multiple areas of your b...

Mr Rogers: How Crayons Are Made

Mix hot liquid wax, hardening powder, and some color pigment. Pour the mixture into a mold of small cylinders, and after it cools, pop them out! Label them, collate them, and box them. This classic 1981 crayon factory...

The Cornell Lab of Ornithology’s Bird Song Hero

How can you train your brain to recognize and remember bird songs? The All About Bird Biology team at the Cornell Lab of Ornithology has come up with a way to visualize bird vocalizations: Bird Song Hero. Want to test...

How to make a paper airplane that flies far: Strike Eagle

A tutorial by paper airplane engineer Mahir Cecen, this is how to make a paper airplane that flies far. In fact, all of Cecen's paper plane videos are titled that, so you'll have to test them all out and let us know w...

The Crazy Circle Illusion: How are these dots moving?

In this Brusspup mind-bender, you may think you see a circle of eight white dots rotating around the inside of a larger red circle, but you're actually witnessing something else, and you may not believe it unless you ...

How To Draw Your Hand In 3D

Here’s a fun, quick trick: How To Draw Your Hand In “3D”. What other things around the house or outside can you use this technique with?

Friends With You – Cloudy

Cloudy is a happy animated short by artists Samuel Borkson and Arturo Sandoval III of Friends With You. Welcome to the clouds!  From IAmOther: This animated short is an exploration into the clouds; a sweet, vi...

Let It Go performed with wine glasses, pots and pans

This cover is the bridge between a popular animated film (that you may have heard of) and music made with “instruments” found in the kitchen – one of our favorite DIY activities. Th...

Charlie Chaplin in the lion’s cage: The Circus (1928)

In this scene from The Circus (1928), a Charlie Chaplin classic film and now a favorite in our house, Charlie gets trapped in a lion's cage. It required around 200 takes with a real lion, and is one in a series of sil...

Phases of the Moon, animated with Virtual Moon Atlas

Phases of the Moon, a beautiful video animation created using Virtual Moon Atlas and accompanied by Beethoven’s Sonata No. 14, (Opus 27, No. 2). Related watching to better understand th...

Power of Optics: A light-powered Rube Goldberg machine

In this commercial for au Hikari, one of Japan’s high-speed optical internet service providers, a Rube Goldberg machine is "powered" by a single beam of light that travels via mirrors, magnifying glasses, and reflecti...

Full Moon Silhouettes: A full moon rises in real time

This is not a time lapse video. Rising in real time over Wellington, New Zealand, the moon appears huge (and perhaps surprisingly speedy) as it was captured by photographer Mark Gee in January of 2013. In celebration ...

How to fold The World’s Best Paper Airplane

If you want to fold the world's best paper airplane, how do you know it's the best? Watch the video! In 2012, former Cal Berkeley quarterback Joe Ayoob officially broke the Guinness World Record by flying a John Colli...

The Nicholas Brothers in the greatest dance number ever filmed

The co-curator has asked for this one daily since we first watched it, and it’s pretty clear as to why — it’s probably about the best dance routine I've ever seen. And I'm not the only one who thin...

FlippyCat’s Spectacular Domino Rally Stunt Screenlink

Domino enthusiast Flippycat uses a huge collection of Domino Rally sets to screen link this longer chain reaction together -- 35 scenes total (all listed here in the notes). Screenlinks are separate tricks that are ed...

OK Go: The Writing’s on the Wall

A four-minute, epic one-take video that adds to their highly ambitious visual collection of music, this is OK Go's The Writing's on the Wall. The series of forced perspective and anamorphic illusions, with a few gravi...

Everything You Need to Know About Planet Earth

When we wake up, eat breakfast, get ready for school or work, and head out the door, we may not be thinking about how incredibly unique our small, wet rock of a planet is. But the Earth is incredibly unique. Learn som...

How the Sun Sees You: Revealing human skin in ultraviolet light

Artist Thomas Leveritt set up a ultraviolet camera and viewing monitor in Brooklyn's Prospect Park to show people what their skin looks like in ultraviolet light. This is "how the sun sees you." The revealed freckles ...