Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Taphephobia is the fear of being buried alive!
44
There's 100 trillion good bacteria living in your body.
17