Each day, up to 150 species of life become extinct.
-23
Sound travels about 4 times faster in water than in air.
408
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Diamonds can be shattered with a hammer.
-104
One barrel of petroleum holds 42 gallons.
20
The smell of freshly cut grass is actually a plant distress call.
31
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11