Cold water weighs more than hot water.
93
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Iron weighs more after it rusts.
68
Pumice is the only rock that floats on water.
14
Out of all the senses, smell is most closely linked to memory.
146
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
No matter how cold it gets, gasoline will not freeze.
107