Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Aluminum used to be more valuable than gold!
84
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In zero gravity, a candle's flame is round and blue.
16
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