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New insights may help with new treatments for cataracts and other illnesses.

Katharine Gammon, Contributor

Study shows the connection between sleep loss and a higher rate of illness.

Marsha Lewis, Contributing Producer

Scientists demonstrate how the brain physically understands language hierarchically.

Joel Shurkin, Contributor

New technology could make blood tests possible anywhere.

Peter Gwynne, Contributor

Mammoths died, and farmers domesticated pumpkins, squash, and gourds.

Marcus Woo, Contributor

New research shows how movement may keep synovial fluid in cartilage.

Charles Q. Choi, Contributor

Most of the ingredients supply the flavor and little else.

Alistair Jennings, Contributor

New research may suggest a way to prevent addiction relapse.

Benjamin Plackett, Contributor

Using data from military bases, experts hope to track the next flu epidemic.

Joel Shurkin, Contributor

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