Rebecca Hersher

Rebecca Hersher is a reporter on NPR's Science Desk, where she reports on outbreaks, natural disasters, and environmental and health research. Since coming to NPR in 2011, she has covered the Ebola outbreak in West Africa, embedded with the Afghan army after the American combat mission ended, and reported on floods and hurricanes in the U.S. She's also reported on research about puppies. Before her work on the Science Desk, she was a producer for NPR's Weekend All Things Considered in Los Angeles.

Hersher was part of the NPR team that won a Peabody award for coverage of the Ebola epidemic in West Africa, and produced a story from Liberia that won an Edward R. Murrow award for use of sound. She was a finalist for the 2017 Daniel Schorr prize; a 2017 Pulitzer Center on Crisis Reporting fellow, reporting on sanitation in Haiti; and a 2015 NPR Above the Fray fellow, investigating the causes of the suicide epidemic in Greenland.

Prior to working at NPR, Hersher reported on biomedical research and pharmaceutical news for Nature Medicine.

The Environmental Protection Agency has removed a toxic waste site flooded by Hurricane Harvey from a special list of contaminated sites that require the personal attention of the agency's leader, because it says there's been significant progress on a cleanup plan.

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MARY LOUISE KELLY, HOST:

The head of the Environmental Protection Agency is fending off multiple accusations that he misused taxpayer funds and maintained improper ties to companies regulated by the EPA.

Each spring in the global north, brown bears around the world emerge from their dens with new cubs. The cubs come into the world hapless and fragile. Their fathers are long gone; bear mothers must find a way to raise the cubs while surviving themselves.

Female bears generally spend either 1.5 or 2.5 years with their young. In many ways, the pressures of bear life favor the shorter option — a mother with cubs cannot mate, so the more time she spends with each litter, the fewer offspring she'll have over her lifetime.

President Trump's nominee for deputy administrator of the Environmental Protection Agency, Andrew Wheeler, has spent much of his career working for less oversight from the agency.

Robert Taylor isn't sure why he's alive.

"My mother succumbed to bone cancer. My brother had lung cancer," he ticks them off on his fingers. "My sister, I think it was cervical cancer. My nephew lung cancer." A favorite cousin. That cousin's son. Both neighbors on one side, one neighbor on the other. "And here I am. I don't understand how it decides who to take."

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MICHEL MARTIN, HOST:

An analysis published Friday confirms the state of American gun policy science is not good, overall.

The nonprofit RAND Corporation analyzed thousands of studies and found only 63 that establish a causal relationship between specific gun policies and outcomes such as reductions in homicide and suicide, leaving lawmakers without clear facts about one of the most divisive issues in American politics.

The central challenge of dolphin existence is that your oxygen is on the surface and your dinner is in the deep. Hang out breathing air too long and you'll starve. Dive too deep for food and you'll drown.

To thrive, dolphins must use their oxygen wisely. A new study of one type of dolphin suggests they do that by carefully planning each dive, using information from previous dives to predict where food might be.

In 2015, the top toxicologist for the state of Texas, Michael Honeycutt, was interviewed on Houston Public Radio. At the time, the Environmental Protection Agency was pushing for tighter limits on ozone, a type of air pollution that is hazardous for people with asthma and other respiratory diseases.

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