During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Indoor pollution is 10 times more toxic than outdoor pollution.
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No matter how cold it gets, gasoline will not freeze.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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One cubic foot of gold weighs more than 1,200 pounds!
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The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
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A cubic yard of air weighs about 2 pounds at sea level.
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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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