Sound at the right vibration can bore holes through a solid object.
134
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Nylon is made from coal and petroleum.
42
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists aren't sure what color dinosaurs were.
312
Balsa wood is classified as a hard wood!
41