Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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German chemists made a replica of a trophy the size of one molecule.
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Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
One ragweed plant can release as many as one billion grains of pollen!
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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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
According to studies, men change their minds two to three times more often than women.
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