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Scientists used a relatively new technique called DNA metabarcoding to analyze the diets of impala and other herbivores in southern Kenya.

Grass Gourmands: A Herbivore Food Mystery On The African Savanna

A new study sheds light on a longstanding ecological question: How do so many species like impalas and elephants co-exist when they're all feeding on the same limited foods?

Stericycle Fine Heralds New Regulations For Pharma Waste Handling

Several hundred facilities in Washington handle medical and pharmaceutical waste. It’s a process that can easily go wrong. An enforcement action this week…

Enviros Suing Shell Over Arctic Drilling Leases, 2015 Exploration Plans

Royal Dutch Shell’s Arctic prospecting plans have sparked two new lawsuits. An alliance of environmental and Alaska-based community groups is challenging…

Despite Congress mandating all railroads be equipped with a Positive Train Control system by the end of the year, Chicago's Metra system isn't expected to reach that goal until 2019. Most commuter trains won't meet the deadline.

Most Commuter Rails Won't Meet Deadline For Mandated Safety Systems

Most commuter trains are several years away from implementing Positive Train Control system to prevent derailment. With Americans taking 490 million commuter rail trips last year, the stakes are high.

In Cheyenne, Wyo., emergency room patients who show up more than a few times a month requesting pain pills will now be told no, except in dire emergencies. A similar program at a New Mexico hospital cut ER visits by 5 percent annually, and saved $500,000.

Emergency Rooms Crack Down On Abusers Of Pain Pills

Hospitals in some states have begun tracking the names of patients who show up repeatedly seeking opioids. Denying these patients pills saves hospitals money, but some doctors question the ethics.

Introducing The First Nonmedical Intern Union In The U.S.

At the American Teachers Federation, the union's interns are putting their foot down. After about a year of negotiating, they have voted to form their own union.

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