A cubic yard of air weighs about 2 pounds at sea level.
31
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Iron weighs more after it rusts.
68
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
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