The smell of freshly cut grass is actually a plant distress call.
31
One third of the electricity produced on earth is used to power electric light bulbs!
75
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Cold water weighs more than hot water.
93
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6