Balsa wood is classified as a hard wood!
41
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Each day, up to 150 species of life become extinct.
-23
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Nylon is made from coal and petroleum.
42