Why Is Friday the 13th Considered Unlucky?

In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Christian discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins.

Why Do We Have Eyebrows?

Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things.

Is Chocolate Poisonous To Dogs?

Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs (and how much is too much) in this episode of BrainStuff.

Why is Dry Ice Dangerous?

Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique, along with why it can be dangerous, on this week's episode of BrainStuff.

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