At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118