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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Out of all the senses, smell is most closely linked to memory.
146
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels about 4 times faster in water than in air.
408
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average temperature at 40,000 feet above sea level is -60 F.
56