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U.S. Promises To Cut Greenhouse Gas Emissions Up To 28 Percent By 2025

The new target was submitted to the UN Framework Convention on Climate Change Tuesday. It is part of a plan for a new international treaty to be hammered out in December in Paris.
NPR

After Snowden, The NSA Faces Recruitment Challenge

To keep its code-breaking prowess, the National Security Agency must recruit scores of the brightest students in math and computer science each year. The Snowden revelations are hurting those efforts.
NPR

No Easy, Reliable Way To Screen For Suicide

Clinicians correctly predict a suicide attempt about half the time — no better than a coin toss. Certain tests of involuntary responses, although still experimental, aim to improve the odds.
NPR

Want To Do A Little Astrophysics? This App Detects Cosmic Rays

Two physicists keen to detect a a very rare, high energy particle think you and I can help. The researchers are working on an app that would allow any smartphone to detect rare particles from space.
NPR

Videos On End-Of-Life Choices Ease Tough Conversation

A program in Hawaii aims to reduce the number of older people who spend their final days of life in a hospital. Hawaii has one of the highest rates of hospital deaths for those over age 65 in the U.S.
NPR

Astronaut Twins To Separate For The Sake Of Space Travel

Astronaut Scott Kelly has arrived at the International Space Station on a yearlong mission. He and Mark Kelly, his twin and fellow NASA astronaut, will take part in experiments comparing their health.
NPR

Birder Finds Panama Packed With Species, But No Harpy Eagles

There are more species of birds in Panama than all of North America. NPR's Scott Simon speaks with Ray Brown, host of the radio program Talkin' Birds, who just returned from the country.
NPR

A Day's A Day The World Around — But Shorter On Saturn

Researchers have finally determined the length of a day on the ringed planet (gas shrouds any landmarks, so it was tough). Precision matters: A faster spin influences the speed of surface winds.
NPR

Indiana's HIV Spike Prompts New Calls For Needle Exchanges Statewide

Southeastern Indiana is battling an HIV outbreak. The new cases are mostly linked to injection drug use and have reignited a debate over needle exchanges, which are currently illegal in the state.
NPR

Calif. Governor Can't Make It Rain, But Can Make Relief Money Pour

California Gov. Jerry Brown signed his sweeping $1.1 billion emergency drought relief bill Friday. It funds water infrastructure improvements like flood control and aid for farmworkers.

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