One barrel of petroleum holds 42 gallons.
20
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The sun is 330,330 times larger than the earth.
75
Sound travels fifteen times faster through steel than through air.
134
The bark of an older redwood tree is fireproof.
65
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38