When Hank watches nature documentaries he always comes away with one big question: how is that not killing you? In today's episode of SciShow he looks at three unusual ways that animals manage not to get killed by nature.

Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?

One of the strongest rocks in the world is one that you might not expect, and the story of how it formed deep under the earth is intense!

You just wanted to shuffle across the room in your pajamas and bunny slippers, but when you go to reach for the door knob... you get shocked! What gives!? What causes this strange effect?

The Story of Frozen Food

Houseplants can be great for your mental health, but eating some of them can be far worse for your bodily health than you might think.

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The biggest kidney stone on record weighed more than a kilogram and was 17 centimeters in diameter. The patient didn't actually swallow a stone the size of a coconut; kidney stones form inside the body. So how do they grow in the first...

You might not believe it, but the same chemistry that brought us bulletproof vests and modern sailing sails also gave us the technology to build your smart phone. But that doesn’t mean these chemists were thinking about these...

What makes crystals grow into their signature shapes? Dig into the atomic patterns and unique properties of crystals. -- Many crystals have signature shapes— like the cascade of pointed quartz or a pile of galena cubes. Every...

Gems are more than just pretty rocks!

No offense to that rock you may have on your finger, but these gems and minerals are so hard to find, they put most diamonds to shame.

So we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences...

Pluto might seem like the least likely place to find liquid water, but thanks to New Horizons, we have new information about oceans on the dwarf planet and more from the outer reaches of the solar system!

Live-action video footage helps students understand the characteristics of solids. Special attention is given to the properties of crystalline solids and amorphous solids. The video correlates to the Next Generation Science Standard for...

Science Kids Amazing Animal Superpowers V1-0002

The chameleon's ability to change color and blend seamlessly into its surroundings is not only a survival tactic but also a means of communication, temperature regulation, and mood...

Howcast - Let professional makeup artist Patricia Longo teach you how to achieve a Bollywood look in this makeup tutorial from Howcast.

Howcast - Learn how to put rhinestones on your nails from Spa Taxi owner Danielle Corbin Jaime in this Howcast nail tutorial.

Howcast - Learn how to develop psychic powers using crystals from renowned psychic Paula Roberts in this Howcast video.

Howcast - Learn how solder gets inside copper if the copper doesn't melt from expert Jeff Koskulics in this Howcast video.

Howcast - Learn what gallstones are from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems and digestive disorders.

Howcast - Learning about chemistry and crystals can be fun – and tasty – with this simple recipe.

Howcast -Learn how to apply gems, gilding and glitter pastes to henna designs from expert Lisa Butterworth in this Howcast video about henna and mehndi art.

Moths can be destructive to stored clothing and food items. Here's how to get rid of them.

NASA astronaut Don Pettit is scheduled to return to Earth from the International Space Station, completing his 4th mission to the orbital outpost. See some of the science he conducted and photography he captured. Credit: NASA