This fungus among us — baker's yeast, aka Saccharomyces cerevisiae — is useful for more than just making bread. iStockphoto hide caption

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Stephanie and Brian Packer make lunch with their children, Brian, 11, Savannah, 5, Scarlett, 10, and Jacob, 8. Stephanie O'Neill/KPCC hide caption

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Sen. Chuck Grassley has questions about what the feds are doing to investigate allegations of Medicare Advantage fraud. Drew Angerer/Getty Images hide caption

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Psyched that it's finally spring? Shifts in the season may affect more than your mood. Corbis hide caption

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If the Food and Drug Administration has approved a type of prescription contraception, then insurers must cover at least one option at no cost to the consumer. BSIP/Science Source hide caption

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Alaskans attend a rally in Anchorage for Medicaid expansion. Jonathan Casurella/Alaska Public Media hide caption

itoggle caption Jonathan Casurella/Alaska Public Media

Sheron Bazille pays $219.01 a month for her health insurance. She knows the amount down to the penny. Jeff Cohen/WNPR hide caption

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An architectural rendering of the Cleveland Clinic's planned cancer center. Courtesy of the Cleveland Clinic hide caption

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Ann Allen (right) and Marie Birsic (left) take part in a demonstration to prevent the closure of Lakewood Hospital on Cleveland's West Side. Birsic says the neighborhood will "go down into a ghost town" once the hospital is turned into an outpatient center. Sarah Jane Tribble/WCPN hide caption

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Registered nurses Cassie Gregor (from left), Camellia Douglas and Mike Montalto monitor patients in intensive care units scattered around North Carolina. Kevin McCarthy/Carolinas HealthCare System hide caption

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Bob Skierski at the beach in Avalon, N.J., just hours before he fell ill and went to the hospital. He never went home. Courtesy of Jennifer Rodgers hide caption

itoggle caption Courtesy of Jennifer Rodgers