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1 .This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?
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2 .The limpest lettuce still has a little life left.
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3 .A new study finds that produce continues to respond to light cues,
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4 .which enables them to keep protecting themselves from insects and perhaps even enhance their nutritional value to us.
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5 .Scientists knew that a favorite test plant called ArabidoIpsis has strong circadian rhythms.
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6 .Expose Arabidopsis to a set light-dark cycle, and it produces more anti-bug chemicals when it's lit,
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7 .which fights off insects living on the same light schedule.
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8 .In the new study, researchers tried the light-dark test with store-bought cabbage leaves.
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9 .The leaves that were on the same light-dark cycle as hungry insects protected themselves more effectively than leaves on cycles out of sync.
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10 .Other veggies and fruit such as zucchinis and blueberries had similar responses.
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11 .The study is in the journal Current Biology.
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12 .The researchers suggest we try to harvest and preserve produce when its levels of anti-insect chemicals are highest, to help it resist damage.
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13 .Some of those compounds also reduce cancer risk, so we may enhance our health as well.
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14 .Circadian appetit!
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15 .Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.
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