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This is Scientific American 60-Second Science. I'm Erika Beras. Got a minute?

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For insects in Europe, climate change has led to habitat change.

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In the past couple of decades, for example, Mediterranean butterfly and dragonfly species have been found flying around places previously off limits to them, new northern climes such as Germany.

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Now a study in Nature Communications finds a colorful reason for the northern expansion.

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As northern Europe warms, the light-colored butterflies and dragonflies typically found in the Mediterranean find themselves able to survive in the newly warmer north,

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and to even outcompete their darker-colored rivals.

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Lighter colors reflect sunlight while dark colors absorb it and heat up.

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Hence chocolate ice cream melts in the sun faster than vanilla.

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Lighter-colored insects thus function well in warmer climates.

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They don't overheat as easily and can stay active longer, giving them a leg up, well, six legs up, in our warming world.

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The researchers say this migration of insects shows that climate change isn't something that's coming, it's already happening.

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And it could drastically affect which insects up end up where.

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Which will in turn affect us.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Erika Beras.

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