To produce enough energy to heat a cup of coffee, you need to yell for 8 years, 7 months and 6 days.
The tongue is the strongest muscle in proportion to its size in our body.
Licking a stamp will add 1/10 of a calorie to your diet.
The human heart beat can squirt blood 30 feet.
You can burn 150 calories an hour banging your head against a wall.
A person cannot taste food unless it is mixed with saliva. For example, if strong-tasting substance like salt is placed on a dry tongue, the taste buds will not be able to taste it. As soon as a drop of saliva is added and the salt is dissolved, however, a definite taste sensation results. This is true for all foods. Try it!
It takes the average person seven minutes to fall asleep.
Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself.
Of all the primates, humans are the only ones who don't have pigment in the palms of their hands.
Thirty-five percent of the people who use personal ads for dating are already married.
Cows can be lead upstairs…but not downstairs.
Dogs have four toes on their hind feet, and five on their front feet.
Courtesy of begent.org