One cubic foot of gold weighs more than 1,200 pounds!
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Iron weighs more after it rusts.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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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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A ball of glass will bounce higher than a ball made of rubber.
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