The bark of an older redwood tree is fireproof.
65
Nylon is made from coal and petroleum.
42
One ragweed plant can release as many as one billion grains of pollen!
51
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
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Hot water can freeze faster than cold water.
181