The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A cubic yard of air weighs about 2 pounds at sea level.
31
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Diamonds can be shattered with a hammer.
-104
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21