One ragweed plant can release as many as one billion grains of pollen!
51
The bark of an older redwood tree is fireproof.
65
The only letter not appearing on the Periodic Table is the letter "J".
180
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Sound travels fifteen times faster through steel than through air.
134
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound at the right vibration can bore holes through a solid object.
134