Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The average temperature at 40,000 feet above sea level is -60 F.
56
Sound travels fifteen times faster through steel than through air.
134
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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