Cold water weighs more than hot water.
93
The smell of freshly cut grass is actually a plant distress call.
31
Nearly 50% of the world's scientists are assigned to military projects.
71
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Hot water can freeze faster than cold water.
181
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88