The bark of an older redwood tree is fireproof.
65
Nylon is made from coal and petroleum.
42
The sun is 330,330 times larger than the earth.
75
Out of all the senses, smell is most closely linked to memory.
146
Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
68
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
