When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Your heart beats over 100,000 times a day!
54
35,000 people in the U.S. will die from the flu annually.
6
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8