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One Of The World's Last Northern White Rhinos Has Died

One of only four known northern white rhinoceroses was euthanized at the San Diego Zoo Safari Park on Sunday.

Can A Parasitic Worm Make It Easier (Or Harder) For A Woman To Conceive?

Maybe. A nine-year study in Bolivia found an unexpected association between the parasitic worms in a woman's guts and her fertility.

National Institutes Of Health To Retire Last 50 Research Chimps

The National Institutes of Health announced their 50 remaining chimps will be going into retirement. NPR's Ari Shapiro spoke with Cathy Willis Spraetz, president and chief executive of Chimp Haven, where the chimps will ultimately be housed.

Pigeons Identify Cancerous Tissues On Medical Images, Study Says

Researchers say pigeons can be trained to spot cancerous breast tissue on x-rays and slides. Gathering results from a lot of pigeons, "flock sourcing," brings the accuracy rate up to 90 percent.

Genetically Modified Salmon Is Safe To Eat, FDA Says

In a long-awaited ruling, the agency said that a salmon created to grow faster is fit for human consumption. Environmental and food safety groups vow to fight the decision.
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Why It's A Great Time To Be A Chesapeake Oyster Lover

The history of the Chesapeake Bay has long been tied up in the Oyster industry, but over-harvesting and environmental degradation caused the Bay oyster population to nearly disappear by the end of the 20th century. As Kate Livie describes in her new book, oysters are now making a big comeback.


NIH Retires The Last Of Its Research Chimps

After retiring hundreds of research chimpanzees in 2013, the National Institutes of Health says 50 remaining chimps will no longer be used for medical studies.

Premium, Young And Natural: The Turkey Labels We Cluck-Cluck Over

Turkeys these days are often plastered with an array of terms that can confuse and even mislead consumers. Here's a glossary of jargon for the wannabe informed Thanksgiving turkey buyer.

We Know China Has Ghost Cities, But Where Are They Hiding?

The locations of the infamous empty housing complexes have been secret, but ghost city hunters are now using smartphones and GPS receivers to track them down.

Calif. Drought Adds To The Perils Of Endangered Chinook Salmon

For the second year, there's a diminishing count of juvenile salmon migrating downstream away from their spawning grounds in northern California. The drought isn't the only problem the salmon face.