Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Balsa wood is classified as a hard wood!
41
Sound at the right vibration can bore holes through a solid object.
134
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
68
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Billions of neutrinos pass unnoticed through your body every second.
6