There's 100 trillion good bacteria living in your body.
17
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The average sperm cell swims at 8 inches per hour.
4
Children are poisoned most frequently by eating harmful plants.
13