A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
According to studies, men change their minds two to three times more often than women.
72
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51