Researchers say one reason physicists are good at poker is because their brains are particularly attuned to thinking about probability, statistics and modeling. Mikko J. Pitkanen/iStockphoto.com hide caption

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A worker with Home Energy Loss Professionals, a Maryland company, retrofits the attic of a home. John Poole/NPR hide caption

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Children await treatment at a medical facility in St. Marc, northern Haiti, amid a cholera epidemic that has claimed more than 100 lives and infected more than 1,000 people over the past few days. Thony Belizaire/AFP/Getty Images hide caption

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Wheat prices spiked this past summer as a record drought and heat wave wreaked havoc on Russia and ruined one fourth of the country's crops. Russian Prime Minister Vladimir Putin ordered a ban on exports of Russian grain. A self-propelled combine harvests a field in a village south of Moscow on Aug. 15. Yuri Kadobnov/AFP/Getty Images hide caption

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