Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
One ragweed plant can release as many as one billion grains of pollen!
51
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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
The average temperature at 40,000 feet above sea level is -60 F.
56