Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The bark of an older redwood tree is fireproof.
65
Out of all the senses, smell is most closely linked to memory.
146
Most dust particles in your house are made from dead skin!
67
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists are now able to grow 'beating' heart tissue in a lab!
162