Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
68
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
In zero gravity, a candle's flame is round and blue.
16
Neanderthal man had a brain capacity 100cc larger than modern man's.
50