Men have larger hearts; women's hearts beat faster.
77
The whiter your tongue, the more germs there are on it.
88
The human sigh acts as a physiological reset button.
23
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Only 1% of bacteria cause disease.
45
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21