Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Research indicates that plants grow healthier when they are stroked.
173
The bark of an older redwood tree is fireproof.
65
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Iron weighs more after it rusts.
16
