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A Protein That Moves From Muscle To Brain May Tie Exercise To Memory

In mice, monkeys and people, exercise releases a protein called cathepsin B. And as blood and brain levels of this protein rise, memory gets better. But the protein has a dark side, too.

The Challenge Of Taking Health Apps Beyond The Well-Heeled

A nutrition app may not be the top priority for someone who struggles to pay for groceries. But cellphones have the potential to improve the health of people with low incomes, if they can get them.

Dangerous Rescue Mission Underway In The South Pole

NPR's Kelly McEvers talks with Jerry Macala, who previously managed the South Pole station, about what it's like during winter at the South Pole and the obstacles facing the mission to rescue a sick worker.

Risky South Pole Rescue Succeeds As 2 Patients Are Airlifted Out

Two individuals have been flown out of the South Pole in the dead of Antarctic Wwinter. It's only the third such evacuation ever conducted.
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Environmental Outlook: How Public Opinion Has Shifted On Climate Change And Why

For this month's Environmental Outlook: Surveys suggest public attitudes about climate change are often disconnected from education levels and scientific research. Please join us to talk about why we believe what we do on climate change and how money is shaping public opinion.


The Science Of Why Onions Make Us Cry

Sure, their beautiful, multilayered complexity has moved poets to weep. But the real answer is more practical: A bulb's gotta keep the baddies away. We get the lowdown from a chemist.

California's Last Nuclear Power Plant To Be Shut Down

Diablo Canyon's reactors are close to earthquake fault lines. Public concerns are split between the dangers of quake damage and of carbon dioxide gas released by the burning of fossil fuels.

California To Close State's Last Nuclear Power Plant

California's last nuclear power plant will close by 2025 under a proposal announced Tuesday. Safety concerns are the main reason, but the Diablo Canyon plant produces enough power for 1.7 million homes. There's now a plan to replace the energy with renewables.

Record-Breaking Heat Wave Hits The Southwest

Meteorologist Iris Hermosillo describes the extreme heat residents of Phoenix are experiencing.

Can Doctors Learn To Perform Abortions Without Doing One?

Accredited medical residency programs have to teach doctors how to perform abortions. But interpretation of the requirement varies, especially in a state like Texas where training options are scarce.