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Scientists Wednesday unveiled the first catalog of the bacteria, viruses and other microorganisms that populate every nook and cranny of the human body.

Researchers hope the advance marks an important step towards understanding how microbes help make humans human.

The human body contains about 100 trillion cells, but only maybe one in 10 of those cells is actually — human. The rest are from bacteria, viruses and other microorganisms.

The big story of this year's election campaign is big money. Since the Supreme Court, through its Citizens United ruling, has made it easier for corporations, unions and rich individuals to raise and spend unlimited amounts of money, Republicans have seized the advantage.

Right now, an analysis by NPR finds that Republican allied groups are outspending their Democratic counterparts by 8 to 1.

Democrats knew that they would be disadvantaged under the new campaign finance rules created by the Supreme Court. But the disparity between the amount of money Republicans can raise in unlimited anonymous donations and what the Democrats have been able to raise is huge.

Elinor Ostrom, the only woman ever to win an economics Nobel, died today at age 78.

She was famous for challenging an idea known as the tragedy of the commons — the theory that, in the absence of government intervention, people will inevitably overuse a shared resource.

So, for example, if a village shares a pasture, it's in the individual interest of each farmer to graze his cattle as much as possible on the pasture even though, in the long run, overgrazing may ruin the pasture for everyone.

The music made by Thomas Wesley Pentz, better known by his stage name, Diplo, is one part club-music mashup and one part pop music forecast. In 2009, he took bubblin' — a syncopated house style born in the clubs of Holland — as inspiration and collaborated with fellow DJ Switch, his partner in the group Major Lazer, to make the dance-floor hit "Pon de Floor." But he wasn't done with the bubblin' sound yet. In 2011, he used that song as basis for "Run the World (Girls)," a single by the pop star Beyonce.

Recreational rehabilitation programs have long been a favorite for helping disabled veterans acclimate after war, and the number of young and disabled vets returning who need those services is on the rise.

Two brothers — with nearly 60 years of military service between them — are trying to help with a unique retreat that's free for young vets. The program gets them out of their hospital beds for a few days to hunt in rural Pennsylvania.