Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Most dust particles in your house come from dead skin.
48
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Sound travels fifteen times faster through steel than through air.
134
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
A cubic yard of air weighs about 2 pounds at sea level.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310