The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cold water weighs more than hot water.
93
One barrel of petroleum holds 42 gallons.
20
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65