In zero gravity, a candle's flame is round and blue.
16
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Sound travels fifteen times faster through steel than through air.
134
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Most dust particles in your house are made from dead skin!
67
The sun is 330,330 times larger than the earth.
75
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21