A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Iron weighs more after it rusts.
16
Most dust particles in your house come from dead skin.
48
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A cubic yard of air weighs about 2 pounds at sea level.
31
