Cold water weighs more than hot water.
93
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average home creates more pollution than does the average car.
33
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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
The only letter not appearing on the Periodic Table is the letter "J".
180