Pumice is the only rock that floats on water.
14
Most dust particles in your house are made from dead skin!
67
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Out of all the senses, smell is most closely linked to memory.
146
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Pure water (H2O) does not conduct electricity on its own.
46