Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Cold water weighs more than hot water.
93
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
One barrel of petroleum holds 42 gallons.
20
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
4.5 pounds of sunlight strike the Earth each day.
27