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Feds Interview New Witnesses In Polar Bear Probe

The interviews are part of an ongoing investigation of government scientists who described seeing dead polar bears in Arctic waters in 2006. Investigators were apparently interested in archived aerial surveys, suggesting their probe remains focused on the scientific integrity of the 2006 paper.
NPR

No One's Claimed Mega Millions Win, Maryland Lottery Official Says

While one woman in Maryland has told reporters she bought a winning ticket, she's provided no proof. And lottery officials say no one's come forward. The winners in Kansas and Illinois haven't been heard from yet either.
NPR

Across America, The Grip of Prescription Painkillers Tightens

An analysis from The Associated Press, based on data from the Drug Enforcement Agency, shows how sales of oxycodone and hydrocodone have ballooned over a decade.
NPR

Bariatric Surgery: The Risks And Benefits

Two studies published in the New England Journal of Medicine show that bariatric surgery may treat, or even reverse, the effects of type 2 diabetes in overweight and obese patients with high blood sugar levels. Some fear that the risks of the operation overshadow the rewards.
NPR

Link Between Extreme Weather And Climate Change

2011 brought exceptionally mild winters in most of the U.S., deadly tornadoes in the Midwest and extended drought in the West and Southwest. Kevin Trenberth, distinguished senior scientist at the National Center for Atmospheric Research, discusses the correlation between climate change and extreme weather.
NPR

Cyclists: Do You Really Obey Traffic Laws?

More urban neighborhoods are adding bike lanes to accommodate cyclists. While some view the lanes as an inexpensive way to facilitate urban transportation, some people bristle at the thought of losing parking spaces. Drivers and pedestrians worry about reckless riders.
NPR

Just How Strong Is The Job Market?

The government's monthly employment report Friday could help answer a key question about the economy: Will the recently strong job growth slow once employers finish replacing the people they fired during the depths of the recession?
NPR

Navajo Nation Sues Urban Outfitters Over Trademark

The Navajo Nation is accusing the retailer of trademark infringement. Members say Urban Outfitters sold goods that used the Navajo name and symbols without permission. Host Michel Martin talks with Navajo Times contributor Bill Donovan about the case, and why some Native Americans find certain uses of the Navajo name offensive.
NPR

In Trayvon Martin Case, Who's Considered White?

Race is central to the debate surrounding Trayvon Martin, the black Florida teen shot by neighborhood watch volunteer, George Zimmerman. Many media outlets first identified Zimmerman as "white," but his father describes him as a Spanish-speaking minority. Host Michel Martin explores the question, "who is white?" with sociologist Jean Halley.

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