Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A ball of glass will bounce higher than a ball made of rubber.
73
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
German chemists made a replica of a trophy the size of one molecule.
68
No matter how cold it gets, gasoline will not freeze.
107
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39