Out of all the senses, smell is most closely linked to memory.
146
In zero gravity, a candle's flame is round and blue.
16
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Pumice is the only rock that floats on water.
14
Pure water (H2O) does not conduct electricity on its own.
46
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44