You can alleviate a tickly throat by scratching your ear.
12
Human thigh bones are stronger than concrete!
63
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
The human brain has the capacity to store everything that you experience.
4k
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The average sperm cell swims at 8 inches per hour.
76

