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Earthquakes in eastern Ohio have prompted stiff new regulations for some energy companies. The companies dispose of waste water from fracking by injecting it into deep underground wells. And some low-magnitude quakes in the Youngstown area have been linked to that disposal process. So Ohio's Department of Natural Resources introduced the new rules today.
Robert Siegel talks to retired Navy Captain Don Walsh about the attempt by movie director James Cameron to take a submersible capsule to the bottom of the Mariana Trench — the deepest spot on Earth. Walsh says it will be a combination of science and adventure, because Cameron is a storyteller and dedicated amateur explorer. Walsh made a 1960 dive to the same trench.
A U.S. soldier instructs Afghan soldiers in the western city of Herat last July. Afghans in security force uniforms have killed a number of U.S. and NATO troops recently. The shootings come as NATO works to prepare the Afghan forces to take control of security.
Credit Jalil Rezayee / EPA /Landov
Army Capt. Joe Fritze (right), who trains Afghan police officers in Kabul, works closely with interpreter Gul Agha Shirazi. Fritze says he depends on Shirazi not just to translate, but to warn him if he senses anything suspicious or dangerous.
In Afghanistan, the killings are called "green on blue" — that's when an Afghan soldier or police officer turns his gun on a NATO ally.
There was a wave of such violence just last month after U.S. soldiers accidentally burned Korans. Over the next week, six Americans were killed, apparently at the hands of Afghans working with the U.S.
The top U.S. and NATO commanders in Afghanistan think they have some answers to this recurring problem, and it's up to U.S. soldiers like Capt. Joe Fritze to see if they work.
Meet Willow Tufano, age 14: Lady Gaga fan, animal lover, landlord.
In 2005, when Willow was 7, the housing market was booming. Home prices in some Florida neighborhoods nearly doubled from one month to the next. Her family moved into a big house; her mom became a real estate agent.
But as Willow moved from childhood to adolescence, the market turned, and the neighborhood emptied out. "Everyone is getting foreclosed on here," she says.
When you crunch into a potato chip or take a spoonful of chocolate mousse what you experience is more than just the taste of the food. In her book Taste What You're Missing, Barb Stuckey discusses why truly experiencing food involves all five senses and offers tips on how to get more enjoyment from your next meal.
Reporting in Cell Metabolism, researchers write that when people who lead relatively sedentary lives worked out the DNA in their muscle fibers changed almost immediately. Scientists also found caffeine had the same effect on isolated rodent muscles. Study co-author Juleen Zierath discusses the DNA modifications.
Between the resident emu and the newborn goats, Harvard's Concord Field Station, located in Bedford, Mass., has a menagerie feel. The lab researches how different animals move--which requires lots of animals, and gadgets to facilitate and document their motion.