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
The human heart creates enough pressure to squirt blood 30 ft.
37
Phobatrivaphobia is fear of trivia about phobias.
39
Your tongue is the only muscle in your body that is attached at only one end.
173
In the average lifetime a person will breath in about 44 pounds of dust.
21
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Every time you sneeze some of your brain cells die.
113
Wearing headphones for an hour increases the bacteria in your ear 700 times.
235
