When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
According to studies, men change their minds two to three times more often than women.
72
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16