Diamonds can be shattered with a hammer.
-104
Research indicates that plants grow healthier when they are stroked.
173
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The smell of freshly cut grass is actually a plant distress call.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65