Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists aren't sure what color dinosaurs were.
312
Sound travels about 4 times faster in water than in air.
408
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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