The lifespan of a tastebud is ten days.
130
A fetus develops fingerprints at eighteen weeks!
32
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13