Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Pure water (H2O) does not conduct electricity on its own.
46
For every gallon of sea water, you get more than a quarter pound of salt.
45
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The bark of an older redwood tree is fireproof.
65