Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
German chemists made a replica of a trophy the size of one molecule.
68
For every gallon of sea water, you get more than a quarter pound of salt.
45
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The force of a suction cup is calculated using F=AP.
15
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75