The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Diamonds can be shattered with a hammer.
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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
According to studies, men change their minds two to three times more often than women.
72
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
In zero gravity, a candle's flame is round and blue.
16
One barrel of petroleum holds 42 gallons.
20
Billions of neutrinos pass unnoticed through your body every second.
6