The average temperature at 40,000 feet above sea level is -60 F.
56
Out of all the senses, smell is most closely linked to memory.
146
German chemists made a replica of a trophy the size of one molecule.
68
Sound travels fifteen times faster through steel than through air.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
According to studies, men change their minds two to three times more often than women.
72
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38