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an area of the Suns surface to the equivalent of a postage stamp would shine with the brightness of over 1,500,000 candles
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an arrow frog has enough poison to kill over 2,200 people
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an astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity)
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an egg contains every vitamin except vitamin C
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an elephants ears are used to regulate body temperature
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an elephant's trunk can hold over 5 litres of water
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an iguana can stay under water for 28 minutes
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an individual blood cell takes about 60 seconds to make a complete circuit of the body
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an octopus pupil is rectangular
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