Nylon is made from coal and petroleum.
42
Sound travels about 4 times faster in water than in air.
408
4.5 pounds of sunlight strike the Earth each day.
27
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
The only letter not appearing on the Periodic Table is the letter "J".
180
One cubic foot of gold weighs more than 1,200 pounds!
78
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89