The right lung takes in more air than the left.
30
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
In older people, memory is best early in the morning and then declines during the late afternoon.
33
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Like fingerprints, everyone's tongue print is different!
71
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Chocolate, sex, and laughter are all important for a healthy brain.
37