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The Two-Way
11:55 am
Wed August 1, 2012

Once In A Blue Moon: August Will Bring Two Full Moons

A waxing moon in the background of a fairground attraction in London on Sunday.
Andrew Cowie AFP/Getty Images

Originally published on Wed August 1, 2012 12:00 pm

In astronomical terms, a blue moon really doesn't denote that long a time span. In fact, a blue moon happens once every 2.7 years on average.

Still, it's a special event that, at least using its modern definition, happens when there are two full moons in a single month.

Today (Aug. 1) we'll see a full-moon and that is a prelude to the blue moon of Aug. 31. As Space.com reports, the Aug. 31 moon will reach its full phase during the day.

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The Torch
11:26 am
Wed August 1, 2012

What's A Gold Medal Really Worth?

Plenty To Smile About: Weightlifter Maiya Maneza of Kazakhstan celebrates on the podium with her new 400-gram gold medal, matching the feat of her compatriot Zulfiya Chinshanlo. The Kazakh Olympians will each receive a $250,000 bonus.
Laurence Griffiths Getty Images

Weighing 400 grams, the Olympic gold medals that are being doled out at the London 2012 Summer Games are the heaviest ever, according to reports. But that doesn't mean they're the most valuable: at an estimated $620.82, they're nearly $590 short of the $1,207.86 value held by a gold medal from the Stockholm Games of 1912.

The discrepancy stems from the fact that the 2012 gold medals contain only 6 grams of gold; the rest is silver and copper. In fact, the London bling contains more copper than gold, which is only used to coat the medals with a plating layer.

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Shots - Health Blog
11:25 am
Wed August 1, 2012

Lab Findings Support Provocative Theory On Cancer 'Enemy' Within

The white arrows in these two tumor samples point to a subset of tumor cells that are in a resting state.
Nature

Originally published on Wed August 1, 2012 3:54 pm

Scientists reported new evidence Wednesday that supports a provocative theory about cancer.

Three separate teams of scientists said they had, for the first time, shown that so-called cancer stem cells can be found naturally in brain tumors and early forms of skin and colon cancer.

Evidence has been mounting in recent years for the existence of these cells, which would be especially insidious. They are believed to resist standard chemotherapy and radiation and fuel the growth of tumors and relapses.

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Participation Nation
10:53 am
Wed August 1, 2012

Homeless Kids At Play In Washington, D.C.

A volunteer reads a book with a visitor at The Homeless Children's Playtime Project.
Courtesy of The Homeless Children's Playtime Project

Originally published on Wed August 8, 2012 10:58 am

This month we are collecting your stories about the good things Americans are doing to make their community a better place. Some of your contributions will become blog posts and the project will end with a story that weaves together submissions to make a story of Americans by Americans for Americans.

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Shots - Health Blog
10:51 am
Wed August 1, 2012

You Think Beauty Is Skin Deep? You're Not A Chiropractor

Contestants Marianne Baba (left), Lois Conway and Ruth Swenson stand next to plates of their X-Rays during a chiropractor-judged beauty contest.
Wallace Kirkland Time

When the nation's chiropractors descended on Chicago for a weeklong convention in May 1956, they threw a beauty contest.

The judges crowned Lois Conway, 18, Miss Correct Posture. Second place went to Marianne Caba, 16, according to an account in the Chicago Tribune. Ruth Swenson, 26, came in third.

But this was no ordinary pageant.

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