We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own? [SciShow]

Not all of the naturally occurring elements were discovered here on Earth. Helium was discovered by examining sunlight, and that same technique is now teaching us about the composition of distant galaxies. [SciShow Space]

Are you able to tell what is real and what is fake? [AsapSCIENCE]

From bioprinting to growing organs in non-human animals, doctors and scientists are looking at different ways to make organ transplants a less challenging procedure. [SciShow]

You probably know not to lick something unfamiliar. But there are actually a surprising number of discoveries that have been made because scientists licked things… [SciShow]

While scientists have debunked the notion that putting artificial sweeteners in your coffee will give you cancer, that doesn’t necessarily mean you should go hog wild with them. [SciShow]

Because of the chaotic way fingerprints develop and the multiplying effect of compound probability, it’s basically impossible for any two fingers to have matching prints. Learn exactly why in this video from Minute Earth. [MinuteEarth]

The ant world is an incredible, dangerous, and downright bizarre place. Some ants, though, are a lot cooler and more resourceful than you might give them credit for. [SciShow]

Aspirin isn’t just an old medicine cabinet stand-by, it’s one of the oldest medicines we humans learned how to make ourselves. And our research into aspirin did more than just make it better at relieving pain, it opened the door to whole new disciplines of scientific research! [SciShow]