In 1985, architect Paul Pholeros was challenged to "stop people getting sick" in a small indigenous community in south Australia. And it meant thinking way beyond medicine. In this sparky, interactive talk, Pholeros shares his work with...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Warning: This talk might contain much more than you'd ever want to know about the way the world poops. But as...

It's hard to imagine Venice without the curious, banana-shaped gondolas that glide down the canals. How did these boats come to be the trademark transportation of Venice? Laura Morelli details the history of the gondola, explaining why...

We've all heard the rumor that certain foods provides less calories than it takes to digest. Is this true? Check out this SciShow Quick Question to find out!

The dwarves were master craftspeople. One dwarf, Andvari, forged marvelous creations. He often took the form of a fish and, one day, he swam to the land of the water nymphs, who guarded mounds of gold. When the nymphs laughed at his...

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...

While living and working as a marine biologist in Maldives, Charles Anderson noticed sudden explosions of dragonflies at certain times of year. He explains how he carefully tracked the path of a plain, little dragonfly called the globe...

The Labrador Sea is also known as the ocean's lung, and there's evidence that it's in a lot of trouble.

All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.

Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?

How can we be so sure of the way celestial bodies behave when they're so far away? With the help of some speakers, garbage cans, and springs of course.

It may not look like it sitting in that cute bear bottle, but honey is a supercharged bacteria-killing powerhouse!

We humans love a good health food trend, but sometimes it can be hard to sort out the facts from the fiction. So over the years, we here at SciShow have hit up the research and set the record straight.

Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the...

At the Harbour School in Hong Kong, TED Senior Fellow Cesar Harada teaches citizen science and invention to the next generation of environmentalists. He's moved his classroom into an industrial mega-space where imaginative kids work with...

SciShow takes you inside a limnic eruption, a natural disaster that's as deadly as it is rare.

When you cut into a nice, juicy steak what's all that liquid that pours out? Is it blood? It looks like blood. ...it's not blood.

SciShow Space takes you on a tour of Mercury, the sun's closest friend, where a year is just a day and half long, and the surface holds many surprises -- like ice!

Several companies are already working on plans to mine space objects, but who owns what in space?

This video was supported by the Heising-Simons Foundation. To learn more, visit https://www.heisingsimons.org/ Credits (and Twitter handles): Script Writer: Emily Elert (@eelert) Script Editor: Rachel Becker (@RA_Becks) Video...

In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...

Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!

Whether it’s building bridges across rivers or solving puzzles, spiders are way cooler than you might think. Many have smart or elaborate features that allow them to do some pretty extraordinary things! Chapters View all NET-CASTING...

Tuna are ocean athletes -- fast, far-ranging predators whose habits we're just beginning to understand. Marine biologist Barbara Block fits tuna with tracking tags (complete with transponders) that record unprecedented amounts of data...