How Does Laughter Work?
What's going on in our brains when we laugh?
Most Watched in BrainStuff
How Fuel Efficient Is An Airplane?
How much fuel does a 747 need to complete an international flight? How efficient are these aircraft? Join Cristen as she asks how much fuel an international flight actually uses.
BrainStuff: Why Do Men Have Nipples?
Men don’t usually lactate – but they can! Cristen explores how breast tissue develops in human embryos of both sexes, and explains why mice are more advanced, evolution-wise.
BrainStuff: Why Do Songs Get Stuck In Our Heads?
Virtually everyone has been tortured by an earworm – one of those songs that sneaks into your head and stays there. But why? How? Most importantly – how can you get that #$&*^% song out of your head?!
Recent Videos in BrainStuff
BrainStuff: How Does Anxiety Work?
Anxiety is a normal, healthy response for the human body. But when it interferes with daily life it can become a disorder. We investigate anxiety's symptoms and biochemistry to learn how it can become irrational... and how you treat it.
BrainStuff: How Does Aspirin Work?
How does aspirin target your pain? The plants that aspirin were derived from have been used as medicine for about 6000 years, we finally discovered how it works in 1971, and Lauren explains it to you now.
BrainStuff: What Is Satanism?
Just the term "satanism" is controversial. But what's actually going on with this counter-culture religion that values individualism and nonconformity?