One ragweed plant can release as many as one billion grains of pollen!
51
Cold water weighs more than hot water.
93
For every gallon of sea water, you get more than a quarter pound of salt.
45
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Balsa wood is classified as a hard wood!
41
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The only letter not appearing on the Periodic Table is the letter "J".
180
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55