Banging your head against a wall uses 150 calories an hour.
57
You see your nose at all times, your brain just chooses to ignore it.
30
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5