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Increased Humidity From Climate Change Could Make It Harder To Tolerate Summers

It's not just the heat — it's the humidity. Health experts actually apply that principle to workers, soldiers and sportsmen who toil outside and in places that lack air conditioning. A study in Nature Climate Change says that global warming will noticeably reduce the amount of time people can spend working and playing safely outside.

Scientists May Have Uncovered Ancient Microcontinent

Scientists believe a long-lost land mass, sandwiched between the land masses that make up today's India and Madagascar, was lost on the sea tens of millions of years ago.

Spanish Test: Mediterranean Diet Shines In Clinical Study

People who stuck with diets rich in olive oil and nuts had about a 30 percent lower risk of experiencing a major cardiovascular problem, such as a heart attack or stroke, than people who followed a low-fat diet.

The Science Of Being 'Top Dog'

Some believe that competition is an art. Others believe it is a skill. A new book suggests it might be neither - and that there is a science behind winning. Host Michel Martin speaks with authors, Po Bronson and Ashley Merryman, about Top Dog: The Science of Winning and Losing.

Trial Against BP To Begin Over 2010 Rig Explosion

Some are calling it "the trial of century." In New Orleans Monday, dozens of lawyers will pack into a federal courtroom to argue over BP's civil liability from the 2010 Gulf of Mexico oil spill. Millions of barrels of oil fouled beaches from Texas to Florida. Billions of dollars are at stake.

Pediatricians Urged To Treat Ear Infections More Cautiously

The new guidelines for treating childhood ear infections are intended to reduce unnecessary antibiotics use. They say doctors should look at the eardrum to make sure a kid really has an ear infection, instead of relying on symptoms. And if the child doesn't have severe symptoms, see if the ear gets better on its own.

Ancient Chompers Were Healthier Than Ours

By examining ancient dental plaque, researchers have concluded that prehistoric humans' diets made for healthier mouths. The addition of flour and sugar to modern diets may have set the stage for a near-constant state of oral disease.