Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The average temperature at 40,000 feet above sea level is -60 F.
56
Cold water weighs more than hot water.
93
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7