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Humans

The challenges of nourishing astronauts on years-long trips.

Charles Q. Choi, Contributor

Why love is addictive.

Alistair Jennings, Contributor

Mild stress could help burn fat and lose weight.

Brian Owens, Contributor

Device could look into the eyes to detect brain injuries.

Marsha Lewis, Contributing Producer

How fat interacts with our taste buds.

Karin Heineman, ISTV Executive Producer

A new eye drop may be an alternative to having cataract surgery.

Marsha Lewis, Contributing Producer

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

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