Tuesday's decision by the U.S. Supreme Court to not review an ordinance passed by Alameda County, California, means that drug makers will now need to pay for collection and disposal of unused drugs in the county. iStockphoto hide caption

itoggle caption iStockphoto

Patients receive treatment at the Chest Disease Hospital in Srinagar, India. The country has one of the highest rates of drug-resistant tuberculosis in the world, in part because antibiotics for the disease are poorly regulated by the government. Dar Yasin/AP hide caption

itoggle caption Dar Yasin/AP

One of these things is not like the other: A 3-D printed model of a beige cowbird egg stands out from its robin's egg nest mates, though their shape and heft are similar. Ana Lopez/Courtesy of Mark Hauber hide caption

itoggle caption Ana Lopez/Courtesy of Mark Hauber

The Speck air quality monitor costs $200, but is available to all through Pittsburgh's public library system. Carnegie Mellon University CREATE Lab hide caption

itoggle caption Carnegie Mellon University CREATE Lab

Retired California school teacher Mikkel Lawrence sits with his cat, Max. Lawrence has hepatitis C and has struggled to afford the medicine he needs to treat it. April Dembosky/KQED hide caption

itoggle caption April Dembosky/KQED

A bird covered in oil flaps its wings at Refugio State Beach, north of Goleta, Calif., on Thursday. More than 9,000 gallons of oil have been raked, skimmed and vacuumed from a spill that stretched across 9 miles of California coast, just a fraction of the sticky, stinking goo that escaped from a broken pipeline, officials said. Jae C. Hong/AP hide caption

itoggle caption Jae C. Hong/AP