Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Most dust particles in your house come from dead skin.
48
Pumice is the only rock that floats on water.
14
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
German chemists made a replica of a trophy the size of one molecule.
68