Sound travels fifteen times faster through steel than through air.
134
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Iron weighs more after it rusts.
68
Pure water (H2O) does not conduct electricity on its own.
46
A ball of glass will bounce higher than a ball made of rubber.
73
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65