If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
The average person eats almost 1500 pounds of food a year.
157
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Each day, there are over 120 million sexual intercourse taking place all over the world.
301
There are more nerve cells in the human brain than there are stars in the Milky Way.
349