Most dust particles in your house come from dead skin.
48
Hot water can freeze faster than cold water.
181
Each day, up to 150 species of life become extinct.
-23
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels fifteen times faster through steel than through air.
134
Balsa wood is classified as a hard wood!
41
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Nearly 50% of the world's scientists are assigned to military projects.
71