Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
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
Aluminum used to be more valuable than gold!
84
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39