Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists aren't sure what color dinosaurs were.
312
Liquid TIDE laundry detergent glows under a blacklight.
96
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nylon is made from coal and petroleum.
42
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A ball of glass will bounce higher than a ball made of rubber.
73