Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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In zero gravity, a candle's flame is round and blue.
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German chemists made a replica of a trophy the size of one molecule.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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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.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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No matter how cold it gets, gasoline will not freeze.
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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.
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