Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The force of a suction cup is calculated using F=AP.
15
One ragweed plant can release as many as one billion grains of pollen!
51
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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