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Jackie Grimm

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(AP/Rich Pedroncelli)

What a strange case of scientific déjà vu showed us about the dangers of plastics

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(Shutterstock)

This is how the light from your phone breaks your internal clock

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(AP Photo/Eric Risberg)

What is genetic modification?

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(Bill Whittaker/Massive)

Climate change will cause food shortages. We should use genetic engineering to prevent them

Jackie Grimm