Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The sun is 330,330 times larger than the earth.
75
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11