Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The storage capacity of human brain exceeds 4 Terrabytes.
140
Scientists aren't sure what color dinosaurs were.
312
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A ball of glass will bounce higher than a ball made of rubber.
73
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65