Indoor pollution is 10 times more toxic than outdoor pollution.
62
The smell of freshly cut grass is actually a plant distress call.
31
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Out of all the senses, smell is most closely linked to memory.
146
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Pumice is the only rock that floats on water.
14
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
In zero gravity, a candle's flame is round and blue.
16