Like fingerprints, everyone's tongue print is different!
71
The whiter your tongue, the more germs there are on it.
88
Your ears secrete more earwax when you are afraid than when you aren't.
229
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
Men are twice as likely to be binge drinkers than women.
87
The human sigh acts as a physiological reset button.
23
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15