Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In zero gravity, a candle's flame is round and blue.
16
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Most dust particles in your house come from dead skin.
48
The smell of freshly cut grass is actually a plant distress call.
31