The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Cold water weighs more than hot water.
93
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
Aluminum used to be more valuable than gold!
84
Iron weighs more after it rusts.
68