Did real-life raptors work together they way they do in 'Jurassic Park' movies? Do we even have the right raptors? Learn the leading theories in this classic episode of BrainStuff.

There's now scientific proof that one good mask will help stop us from spreading and catching COVID-19. Two masks might be even better, but only if worn correctly. Learn more about mask-wearing and the coronavirus in this episode of BrainStuff.

In pop psychology, people often talk about wanting closure to a relationship that's ended -- but psychologists say closure doesn't (and shouldn't!) exist. Learn why, plus what's recommended instead, in this episode of BrainStuff.

The British peerage system gives formal ranks to people through one of five titles: duke, marquess, earl, viscount, or baron. Learn about the differences and how these ranks are granted in today's episode of BrainStuff.

These amphibians spend their entire lives in the water and can regrow any part of their body. Learn more about the axolotl in this episode of BrainStuff.

When American colonists rebelled against the British Empire, the British encouraged enslaved people to rise up and fight for the crown. Learn about the Black Loyalists in this episode of BrainStuff.

A study found that bug biomass has been steadily -- and in some places, dramatically -- decreasing. Learn what may be to blame and what this could this mean for the future in today's classic episode of BrainStuff.

OK, it's not technically an allergy, but yes: People can have extreme skin reactions to water. Learn more in this classic episode of BrainStuff.

This substance helps provide thick, smooth textures in homemade foods and industrial products alike. Learn about how xanthan gum is used and how it's made in this episode of BrainStuff.

Neanderthals have been portrayed as much less intelligent than humans, but they developed technologies and cultural practices similar to ours -- and sometimes much earlier. Learn more in this episode of BrainStuff.

These birds are the subject of a lot of myths, ancient and modern. Learn what roadrunners are really like in this episode of BrainStuff.

In the late 1800s, a doctor who autopsied a criminal had the man's skin made into human leather. Learn the macabre story in this episode of BrainStuff.

Some traits and abilities -- like flight, for example -- are so useful that completely different species evolved them independently over time. Learn about convergent evolution (and divergent evolution) in this episode of BrainStuff.

There are plenty of potential reasons for a boom to rumble through the air, but skyquakes don't seem to be attached to any of the usual suspects. Learn more about these mysterious phenomena on BrainStuff.

Ross 128 b is an Earth-sized planet only 11 light years away that might have the right conditions to sustain life as we know it. Learn how scientists are studying it in this classic episode of BrainStuff.

The pillows we sleep on can collect grime aplenty, but they can't all be washed the same way. Learn what the experts recommend in this episode of BrainStuff.

These two cheeses look similar on the outside, but it's what inside that counts. Learn about the differences between buratta and mozzarella, and how to use them, in this episode of BrainStuff.

If you've ever seen a face in a cloud or thought your electrical outlet was looking at you funny, you've experienced pareidolia. But why does this happen so often? Learn more about how the eyes and brain work together in this episode of BrainStuff.

For decades, 'The Green Book' was a lifeline connecting Black travelers in the U.S. with businesses that were happy to serve them. Learn how it got started in this episode of BrainStuff.