Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nearly 50% of the world's scientists are assigned to military projects.
71
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The bark of an older redwood tree is fireproof.
65
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
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3