In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Iron weighs more after it rusts.
68
Scientists aren't sure what color dinosaurs were.
312
Balsa wood is classified as a hard wood!
41
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21