Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Sound travels about 4 times faster in water than in air.
408
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9