For every gallon of sea water, you get more than a quarter pound of salt.
45
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to studies, men change their minds two to three times more often than women.
72
German chemists made a replica of a trophy the size of one molecule.
68
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65