What you can do to prevent Alzheimer's | Lisa Genova

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Alzheimer’s doesn’t have to be your brain’s destiny, says neuroscientist and author of “Still Alice,” Lisa Genova. She shares the latest science investigating the disease — and some promising research on what each of us can do to build an Alzheimer’s-resistant brain.

Key Einstein principle survives quantum test

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Particles in quantum superposition adhere to the equivalence principle in atomic test.

HPV vaccine as cancer prevention is a message that needs to catch on

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Vaccination against HPV is cancer prevention, but low vaccination rates suggest that message isn’t clear.

Ocean acidification may hamper food web’s nitrogen-fixing heroes

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A new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean.

Nerve cell miswiring linked to depression

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A gene helps nerve cell axons extend to parts of the brain to deliver serotonin, a brain chemical associated with depression.