Indoor pollution is 10 times more toxic than outdoor pollution.
62
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Aluminum used to be more valuable than gold!
84
The sun is 330,330 times larger than the earth.
75
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
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