Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
4.5 pounds of sunlight strike the Earth each day.
27
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13