At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A cesium atom in an atomic clock beats over nine billion times a second.
43
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One barrel of petroleum holds 42 gallons.
20
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310