Balsa wood is classified as a hard wood!
41
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
Scientists aren't sure what color dinosaurs were.
312
According to studies, men change their minds two to three times more often than women.
72
Aluminum used to be more valuable than gold!
84
Diamonds can be shattered with a hammer.
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Billions of neutrinos pass unnoticed through your body every second.
6
One third of the electricity produced on earth is used to power electric light bulbs!
75