One ragweed plant can release as many as one billion grains of pollen!
51
For every gallon of sea water, you get more than a quarter pound of salt.
45
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
Balsa wood is classified as a hard wood!
41
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound travels fifteen times faster through steel than through air.
134
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17