Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Diamonds can be shattered with a hammer.
-104
Most dust particles in your house are made from dead skin!
67
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Indoor pollution is 10 times more toxic than outdoor pollution.
62