Sales of prescription opioid painkillers have quadrupled since 1999, according to the Centers for Disease Control and Prevention. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

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

itoggle caption Stephanie O'Neill/KPCC

Jenny Tenorio Gallegos, 35, in Lima, Peru, is being treated for drug-resistant TB. The treatment lasts two years and may rob her of her hearing. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

The Allen Cell Types Database catalogs all sorts of details about each type of brain cell, including its shape and electrical activity. These cells, taken from the visual area of a mouse brain, are colored according to the patterns of electrical activity they produce. Courtesy of Allen Institute for Brain Science hide caption

itoggle caption Courtesy of Allen Institute for Brain Science
Cargo/ImageZoo/Corbis

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

itoggle caption BSIP/Science Source
Keith Negley for NPR

Cambrian Genomics says that what it calls a DNA printer is essentially a DNA sorter — it quickly spots and collects the desired, tailored stretch of DNA. Courtesy of Cambrian Genomics hide caption

itoggle caption Courtesy of Cambrian Genomics

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