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
One ragweed plant can release as many as one billion grains of pollen!
51
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One third of the electricity produced on earth is used to power electric light bulbs!
75
Liquid TIDE laundry detergent glows under a blacklight.
96
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116