BrainStuff Classics: What Is Russia's 'Dead H...

Tales of some great shock or fright suddenly turning a person's hair white go back thousands of years. Learn what researchers think is really going on -- and how our hair normally goes grey and white -- in today's episode of BrainStuff, based on these articles: https://science.ho ...  Show more

Brown recluse spiders rarely bite humans, and when they do, it only causes a reaction in about 10 percent of cases. Learn how to identify brown recluses and what their bites do in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/arachnids/br ...  Show more

The creation of atomic weaponry changed human civilization forever, but it also left its mark on the Earth itself -- in both obvious and subtle ways. In this classic episode of Stuff to Blow Your Mind, Robert and Joe discuss some of the ways in which the world would not be the sa ...  Show more

The creation of atomic weaponry changed human civilization forever, but it also left its mark on the Earth itself -- in both obvious and subtle ways. In this episode of Stuff to Blow Your Mind, Robert and Joe discuss some of the ways in which the world would not be the same. Lear ...  Show more

How would you disguise a cyanide pill for a CIA spy in Moscow during the Cold War? What risks could Led Zeppelin, Pink Floyd, and The Beatles pose to Adolf Tolkachev’s mission against the Soviet state? And will the CIA’s mole in Moscow be discovered by the KGB? It’s 1985, and fo ...  Show more

During the Cold War, both the U.S. and the U.S.S.R. stockpiled weapons, eventually holding enough power to destroy the world several times over. Yet neither side actually used these weapons. Learn more about M.A.D. in our article on HowStuffWorks.