When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Liquid TIDE laundry detergent glows under a blacklight.
96
If the chemical sodium is dropped into water it will immediately and violently explode.
67