If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31