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Shots - Health News
5:13 pm
Mon November 4, 2013

Childhood Maltreatment Can Leave Scars In The Brain

Girls are particularly vulnerable to brain changes caused by stress or trauma, researchers say.
Allen Johnson iStockphoto.com

Originally published on Tue November 5, 2013 12:21 pm

Maltreatment during childhood can lead to long-term changes in brain circuits that process fear, researchers say. This could help explain why children who suffer abuse are much more likely than others to develop problems like anxiety and depression later on.

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Research News
5:13 pm
Mon November 4, 2013

How'd They Do That? The Story Of A Giant Rock And A Road Of Ice

The Large Stone Carving is the heaviest stone in the Forbidden City in Beijing. It was believed to have weighed more than 300 tons when it was first transported to the site between 1407 and 1420.
DEA/ W. Buss De Agostini/Getty Images

Originally published on Mon November 4, 2013 7:42 pm

Great works of ancient engineering, like the Pyramids or Stonehenge, inspire awe in every beholder. But some onlookers also get inspired to figure out exactly how these structures were made.

Howard Stone, an engineer from Princeton University, had such a moment in Beijing's Forbidden City — a city-within-a-city of palaces and temples built in the 15th and 16th centuries. A carved, 300-ton slab that formed a ramp to one structure particularly caught Stone's eye. "How in the world did it get here?" he wondered.

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It's All Politics
5:13 pm
Mon November 4, 2013

Now A Democrat, Ex-Florida Gov. Crist Tries To Get Old Job Back

Former Florida Gov. Charlie Crist announces Monday in St. Petersburg that he will run for governor as a Democrat.
Edward Linsmier Getty Images

Originally published on Mon November 4, 2013 7:42 pm

Florida's governor's race just got more interesting. The state's former Republican governor, Charlie Crist, announced in St. Petersburg on Monday that he's entering the race as a Democrat.

Crist is running against Florida's current Republican governor, Rick Scott, a conservative elected with strong Tea Party support.

At a rally to kick off his campaign at a park overlooking Tampa Bay, Crist was unapologetic about his change in parties.

"Yeah, I'm running as a Democrat," he said. "And I am proud to do it."

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The Salt
4:09 pm
Mon November 4, 2013

Why Are Pig Farmers Still Using Growth-Promoting Drugs?

In recent years, pork producers have found ways to keep the animals healthy through improved hygiene.
M. Spencer Green AP

Originally published on Mon November 4, 2013 7:42 pm

It's one of the most controversial practices in agriculture: feeding small amounts of antibiotics to animals in order to make them grow faster.

But what if the drugs don't even work very well?

There's some good evidence that they don't, at least in pigs. They used to deliver a boost in growth, but that effect has disappeared in recent years or declined greatly.

The reason for this is interesting and even paradoxical.

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Author Interviews
3:15 pm
Mon November 4, 2013

From Sulking To Sanctions, A Street-Level View Of Life In Iran

Iranian demonstrators march in Tehran in 2011, during a protest asking the government to intensify its enforcement of the Islamic dress code.
Atta Kenare AFP/Getty Images

Monday is the 34th anniversary of the 1979 storming of the American Embassy in Tehran, when Iranian militants took 66 hostages and held them for more than a year. U.S.-Iranian relations have been contentious ever since, but recent events have stirred hopes for progress.

Iranian voters overwhelmingly chose a more moderate president in June, and American and Iranian mediators are meeting to try to resolve disputes about Iran's nuclear program.

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