In zero gravity, a candle's flame is round and blue.
16
Aluminum used to be more valuable than gold!
84
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Iron weighs more after it rusts.
68
Diamonds can be shattered with a hammer.
-104
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21