The average sperm cell swims at 8 inches per hour.
4
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
Vicks inhalers can cause you to test positive for Meth on drug tests.
41
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Your heart pumps about 2,000 gallons of blood each day!
53
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
A woman's sense of smell is most sensitive during ovulation.
34