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Summertime Science: Sunburn, Sweat, and Wrinkly Fingers

Why do we sweat? Why do our fingers wrinkle in water? Why do we get sunburns? Joe Hanson explains it all in this summer science episode of It's Okay to Be Smart. Bonus: find out what those SPF numbers mean on your sun...

Why aren’t we only using solar power?

Solar power is cleaner, more sustainable, and in many cases, less expensive than coal-fueled power plants, so why aren't we only using solar power? Beyond the business and infrastructural challenges, TED Ed outlines s...

Guinness World Record – Most mini-dominoes toppled

Eighty times smaller and 100 times lighter than standard size dominoes, mini dominoes must be set up with tweezers, quite a challenge for these two domino enthusiasts. Sinners Domino Entertainment captured this set up...

Rollie, a southern three-banded armadillo, playing

An intern at the NEW Zoo and Adventure Park in Green Bay, Wisconsin recorded this moment of adorable: a southern three-banded armadillo attacks its bear toy over and over again. We had no idea that armadillos played l...

The Iron Genie Harmonograph

Watch artist Anita Chowdry's Iron Genie Harmonograph create intricate, spirograph-like drawings. Made of steel, it was inspired by mid-19th century harmonographs and St. Pancras Station's Victorian engineering. The vi...

Fish that walk: Tasmania’s Spotted Handfish

With pectoral fins that look like little feet, this "walking" Spotted Handfish was one of the first fish documented in Australian waters, and is not the only known handfish -- there are pink, red, and yellow species, ...

Sesame Street’s Numerosity: Baker Number 10

Numerosity, also known as The Henson 10, also known around our house as The Baker videos: this is number 10 in the series of number shorts by Jim Henson for the first season of Sesame Street in 1969. While the bak...

Dizzy Gillespie live on stage: Salt Peanuts

American jazz trumpeter, bandleader, composer and occasional singer Dizzy Gillespie peforms Salt Peanuts live on stage, likely at the Ontario Place Forum in Toronto, circa 1971. We love the fun audience warm up in the...

Spectroscopy of Stars – Wonders of the Universe

Understand what the universe is made of by looking at the light of its stars. In this clip from Wonders of the Universe – Stardust, Professor Brian Cox demonstrates how chemical elements emit a unique set of colors wh...

NASA’s Rover of the Future

Omni-drive and suit ports will be just two of the NASA rover features available to future astronauts as they explore Mars or near-Earth asteroids. This Rover of the Future is an ever-evolving Space Exploration Vehicle...

TRENDING TODAY

Rollie, a southern three-banded armadillo, playing

An intern at the NEW Zoo and Adventure Park in Green Bay, Wisconsin recorded this moment of adorable: a southern three-banded armadillo attacks its bear toy over and over again. We had no idea that armadillos played l...

Summertime Science: Sunburn, Sweat, and Wrinkly Fingers

Why do we sweat? Why do our fingers wrinkle in water? Why do we get sunburns? Joe Hanson explains it all in this summer science episode of It's Okay to Be Smart. Bonus: find out what those SPF numbers mean on your sun...

Why aren’t we only using solar power?

Solar power is cleaner, more sustainable, and in many cases, less expensive than coal-fueled power plants, so why aren't we only using solar power? Beyond the business and infrastructural challenges, TED Ed outlines s...

Charlie Chaplin’s dinner roll dance

This is Charlie Chaplin performing one of the most memorable moments in film history: the dinner roll dance, or table ballet, from the silent comedy classic The Gold Rush (1925).

Physics! 32 out-of-sync metronomes synchronize

A physics demonstration from the Ikeguchi Laboratory in Japan: Exactly 32 metronomes unite in synchronous play with no help from human hands. And there’s simple physics at the heart of it.  When the arm of any...

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 ...

Watch 11-year-old rock climbing prodigy Brooke Raboutou climb

It's no wonder that 11-year-old Brooke Raboutou loves to rock climb: Her parents are two former world champion climbers who own a rock climbing gym in Boulder, Colorado, and from very young, climbing has been a huge p...

ScienceTake: How an Embryo Grows

From a single cell to a whole organism, how do animals grow into such diverse and complex creatures from their embryonic beginnings? What if we could follow and map a human's development from a single cell to the esti...

Amelymeloptical Illusion

Amelymeloptical Illusion, a seemingly simple yet enthralling rings performance from French juggler Lindzee Poi. Next, watch French “magic” champ Yann Frisch and Sylvain’s b...

The Egg Painter

The Egg Painter, a beautiful profile of Elena Craciunescu and the traditional Easter egg painting that she skillfully enjoys in a small village in Romania’s northern region of Bukovina. ...

The amazing thing about domino chain reactions

A domino can knock over the next domino at about 1.5x larger (perhaps 2x larger) and this instant video classic from 2009 is a great example of this chain reaction. Watch University of Toronto’s Professor Steph...

Fish that walk: Tasmania’s Spotted Handfish

With pectoral fins that look like little feet, this "walking" Spotted Handfish was one of the first fish documented in Australian waters, and is not the only known handfish -- there are pink, red, and yellow species, ...

IN THE ARCHIVES

Pu`u O`o lava claims The Lava House

Kilauea’s Pu`u O`o crater has been erupting off and on, with little interruption, since January 3, 1983. In the last few months, it took over a green area called Royal Gardens, where a lone house, a bed and brea...

Flying from Robben Island to Cape Town by helium-filled balloons

Using 160 large helium balloons and the help of 100 team members, Matt Silver-Vallance successfully flew from Robben Island to 300 meters off the coast of Cape Town, South Africa to raise money for the Nelson Mandela...

Coney Island Love Letter

To Claire de Lune by Claude Debussy, here’s another Land of Nod short film, Coney Island Love Letter.

Schoolhouse Rock: Unpack Your Adjectives

Schoolhouse Rock's Unpack Your Adjectives. Fun! Catchy! Educational! Classic! (Updated video link.)

The Gravity Stool

The Gravity Stool thanks its unique shape to the cooperation between magnetic fields and the power of gravity. Departing from the idea that everything is influenced by gravitation, a force t...

Edwardian Farm: Making rope from sisel fiber

In the BBC series Edwardian Farm, archaeologists Alex Langlands and Peter Ginn and historian Ruth Goodman work on a British farm for an entire year in the manner that it would have been run d...

MOST SAVED VIDEOS

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...

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 ...

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...

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...

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...

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? Related drawing vids: how to draw th...

Why do honeybees love hexagons?

What is it about the six-sided hexagon that makes it such a perfect shape for storing honey? It's an efficient design! Just ask a bee, one of nature’s finest mathematicians, or watch this TED Ed by Zack Patterson and ...

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...

Spiders Tune Their Webs Like A Guitar

Much more than just a net to catch prey, spider webs can transmit lots of information about what has been caught or what might be visiting. Oxford researchers have recently discovered that the strands of silk vibrate ...

ExpeRimental: Homemade Lava Lamp & Rubber Band Cannons

Explore the densities of liquids and household objects with Olympia Brown and her daughter Viola. This is episode two of ExpeRimental, a new science-at-home series by the Royal Institution of Great Britain that aims t...

Father and Daughter by Michaël Dudok De Wit

Michaël Dudok De Wit’s Academy Award-winning short film about the strength of love and longing, despite the passage of time: Father and Daughter (2000).

The World Cup Brazil 2014 Flip Books

These hand-drawn flip books animate the top three goals of the 2014 World Cup in Brazil. File under flip books and sports. What will you animate in your flipbook?

How to: Popsicle Stick Chain Reaction

Have you seen that crazy popsicle stick chain reaction video in the archives? This Sick Science tutorial explains how to make it.

The making of a Steinway Grand Piano from start to finish

Founded in 1853, Steinway & Sons has been building award-winning, hand-crafted pianos for 160 years, so clearly they know how it’s done. In The Making of a Steinway, they share the extraordinary, year-long p...

Pass It On: Turning scraps into soccer balls for village children

In a village outside of Kinshasa, the capital of the Democratic Republic of Congo, this Congolese gentleman crafts found scraps of garbage into a homemade soccer ball. Though the region has been plagued with war, terr...

The Quest for Sea Ice: Swimming with polar bears and a camera

Follow a group of four polar bears as they swim in search of ice. Arctic Bear Productions filmmaker Adam Ravetch captured this footage by attaching a camera to one of the four animals. The big paws, the sun on the hor...

Aug(De)Mented Reality

Aug(De)Mented Reality by animator Marty Cooper: iPhone photos and traditional animation cels – Sharpie and White-Out drawings on transparencies – join forces in this collection of amusing, "creature-infest...

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...

Strawberry Rhubarb Sorbet in Ice Bowls

Not only does this recipe for Strawberry Rhubarb Sorbet start in a garden and end up looking delicious, but it's served in ice bowls. ICE BOWLS. File under DIY, these temporary bowls -- made with thyme, rosemary, ...

The Burrowing Owl’s Cozy Home

Owls that live underground! The Burrowing Owl's Cozy Home is a vacant prairie dog hole, a cool alternative (around 59F or 15C) to the extreme heat above ground. They eat small rodents, insects, amphibians, and reptile...

Every Happy Thing: Totoro Steamed Buns

How to make Totoro Steamed Buns using a frying pan by YouTuber Hockie at Every Happy Thing. Even if you're not going to make them, the video is fascinating and detail-filled. Also: Totoro. The recipe is in English...

Sesame Street: How Crayons Are Made

We love videos about how things are made, and factories can be amazing sights: all of that automation and machinery and movement… the marvel of mass production. So we especially love videos about how crayons ...

Cell vs. virus: A battle for health

From TED Ed and Shannon Stiles, Cell vs. virus: A battle for health:  All living things are made of cells. In the human body, these highly efficient units are protected by layer upon layer of defense against i...