You burn 26 calories in a one minute kiss.
605
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
During his or her lifetime, the average human will grow 590 miles of hair.
69
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
On average, 100 people choke to death on ballpoint pens every year.
72
A sneeze travels out your mouth at over 100 m.p.h.!
29
American car horns beep in the tone of F.
66