Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The average home creates more pollution than does the average car.
33
Diamonds can be shattered with a hammer.
-104
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88