Balsa wood is classified as a hard wood!
41
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
68
The average home creates more pollution than does the average car.
33
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In zero gravity, a candle's flame is round and blue.
16