The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Iron weighs more after it rusts.
16
4.5 pounds of sunlight strike the Earth each day.
27
Nylon is made from coal and petroleum.
42
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16