Aluminum used to be more valuable than gold!
84
A cubic yard of air weighs about 2 pounds at sea level.
31
Out of all the senses, smell is most closely linked to memory.
146
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One barrel of petroleum holds 42 gallons.
20
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0