Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
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
The average temperature at 40,000 feet above sea level is -60 F.
56
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Cold water weighs more than hot water.
93
Neanderthal man had a brain capacity 100cc larger than modern man's.
50