Being a Witcher means walking a path of monsters and magic, but is there a way to make a Geralt of Rivia... for real?

Kyle performs an astronomical reading, responds to your comments, and more!

Some creatures can theoretically survive a fall from ANY height. How? Kyle explains the science of fall damage.

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Kyle designs a Star Wars-themed ball pit, responds to your comments, and more!

You might think Star Wars' sarlacc monster is pretty lazy, as it spends most of its life at the bottom of a hole waiting for food to fall in its maw. It turns out that it's actually a very clever engineer -- and Kyle has the physics to prove it!

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Kyle introduces you to the word "gigantotherm", responds to your comments, and more!

A Witcher carries two swords -- one of iron for men and beasts, and the other coated in silver for monsters. But what is it about silver that makes it so good for supernatural slaying? Kyle cuts through the mystery... with science!

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Kyle practices his Polish pronunciation, responds to your comments, and more!

What would happen to humanity if the sun went supernova?

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Kyle chats about the apocalypse, responds to your comments, and more!

Is the Flash so fast that we've been getting his color's wrong this whole time?

Just how fast is everyone's favorite hedgehog?