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
No matter how cold it gets, gasoline will not freeze.
107
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists aren't sure what color dinosaurs were.
312
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
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