Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nearly 50% of the world's scientists are assigned to military projects.
71
The average temperature at 40,000 feet above sea level is -60 F.
56
Aluminum used to be more valuable than gold!
84
Pure water (H2O) does not conduct electricity on its own.
46
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The smell of freshly cut grass is actually a plant distress call.
31