The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Balsa wood is classified as a hard wood!
41
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
The average home creates more pollution than does the average car.
33