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This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.

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If you've ever had a garden or grown flowers in a window box,

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you've probably heard that you shouldn't water your plants at high noon because their leaves might scorch.

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Now a study in a journal called New Phytologist confirms that water droplets can focus sunlight to the point that it burns, a finding that applies to plants and to people.

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Check any gardening blog and the question of whether water can burn comes up with some regularity.

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But the problem had never been thoroughly tested.

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So scientists at Eotvos University in Budapest decided to do just that.

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And they found that the results depend on how hairy you are.

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On leaves that are really smooth, like those from a maple tree, water doesn't do much damage.

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But leaves that have tons of tiny hairs, like a fern, can hold spherical water droplets in focus above a leaf's surface.

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Those drops act like mini magnifying glasses, focusing the sunbeams on an area that will subsequently fry.

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And the same is true on you.

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Cooling off in the pool might seem like a stellar idea.

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But the resulting water droplets, propped up by your body hair, poolside, could turn you from lounger to lobster

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Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.

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