Iron weighs more after it rusts.
16
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
Nearly 50% of the world's scientists are assigned to military projects.
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According to studies, men change their minds two to three times more often than women.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One ragweed plant can release as many as one billion grains of pollen!
51