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.

Josh explains the difference between common types of milk, looking at calories, fat and the rest of their composition.

For most men, losing your hair is an inevitable side effect of aging. Jonathan describes the growth cycle of hair, types of baldness that affect men and women, and how most ladies feel about bald dudes.

It takes 5 BrainStuff hosts to reveal how placing product ads in media works. Learn which one has the most integrity and which one would sell their grandmother for the right price!

We all know what an ice cream headache feels like. Lauren's here to explain why they happen. It involves temperature (duh), nerves and lots of blood.

Do you want to strangle people for chewing gum? Does the crinkle of plastic fill you with inarticulate, homicidal fury? If so, you may suffer from the little-understood condition called 'misophonia'. Join Ben Bowlin to learn more. He promises not to make weird mouth noises.

Have you ever walked in your sleep? Somnambulism isn't as rare as you might think. Join Cristen as she explores the facts and fiction about sleepwalking, from its many possible causes to whether you can safely wake up a somnambulist mid-stroll.

Josh explains the design process behind gun silencers and how they suppress lethal weapons.

We hear the term "memes" get tossed around all over the internet. But what are they actually? Jonathan explains their importance to human evolution.

If money is only valuable when we believe in it, how much is a BitCoin actually worth? Jonathan explains the virtual currency as well as how to mine it and the risks involved in investing.