Kristin Armstrong won Olympic gold in the cycling time trial the day before she turned 43. Tim de Waele/Corbis via Getty Images hide caption

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Olympic Athletes Prove That Older Doesn't Have To Mean Slower

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Cover detail from A Square Meal, by Jane Ziegelman and Andy Coe Harper hide caption

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Creamed, Canned And Frozen: How The Great Depression Revamped U.S. Diets

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Alexander Naddour, of the U.S. men's gymnastics team, bears the circular mark of cupping on his right arm as he prepares to compete on the pommel horse at the Rio de Janeiro Olympics on August 6. Alex Livesey/Getty Images hide caption

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The long lifespan of the Greenland shark, shown here in the cold, deep waters of the Uummannaq Fjord, may only be surpassed by that of the ocean quahog, a clam known to live as long as 507 years. Julius Nielsen/Science hide caption

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Talk About An Ancient Mariner! Greenland Shark Is At Least 272 Years Old

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Russian tennis star Maria Sharapova isn't competing at the 2016 Olympics. At a March 7 press conference in Los Angeles, she told reporters she'd tested positive for meldonium, a prescription heart drug that improves blood flow. It was banned in January by the World Anti-Doping Agency. Robyn Beck/AFP/Getty Images hide caption

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Olympic Athletes Still Use Some Rx Drugs As A Path To 'Legal Doping'

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The Pacific beetle cockroach, which is native to Hawaii, gives birth to live young. Yasu Ueda/Flickr hide caption

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Cockroach Milk: Yes. You Read That Right

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Circa 1900: Men in formal evening attire dine at the Montauk Club in New York. Museum of the City of New York/Byron Collection/Getty Images hide caption

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Care To Offset All Your Office Sitting? It'll Take Just An Hour A Day

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Cookie dough clings to the beaters of a standing mixer. The Food and Drug Administration is warning people not to eat raw dough due to an ongoing outbreak of illnesses linked to flour tainted with E. coli. Larry Crowe/AP hide caption

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A 12-ounce bottle of Stella Artois contains 150 calories whereas a bottle of Budweiser Select, only 120. davidgsteadman/Flickr hide caption

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Beer Bottles Will Soon Include A Reality Check: A Calorie Count

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Grains, beads and bangles unearthed from dig sites in Banda, Ghana, tell of a time when droughts did not bring famine. (Above) Archaeologists Amanda Logan and Osei Kofi dig into the floor of a house from the 1500s. Courtesy of Ann Stahl/Northwestern University hide caption

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Surplus corn is piled outside a storage silo in Paoli, Colo. Do federal farm subsidies encourage the production — and perhaps overconsumption — of things that we're told to eat less of, like high fructose corn syrup or meat produced from livestock raised on subsidized grains? Robert Nickelsberg/Getty Images hide caption

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Wellness Programs Take Aim At Workplace Stress

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Exercise physiologist Courtney Conners checks Mario Oikonomides' vital signs before his cardiac rehab workout at the University of Virginia Health System clinic. Francis Ying/Kaiser Health News hide caption

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Cardiac Rehab Saves Lives. So Why Don't More Heart Patients Sign Up?

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