U by Kotex "Sleek" tampons, regular absorbency, have been recalled because of a quality defect. Courtesy of Kimberly-Clark hide caption
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Scientist He Jiankui was criticized by colleagues after his claim to have created gene-edited babies became public. Three leading scientific organizations are calling for more controls. Anthony Wallace/AFP/Getty Images hide caption
In these images, E. coli bacteria harbor proteins from a bacteria-killing virus that can eavesdrop on bacterial communication. At left, one protein from the virus has been tagged with a red marker. At right, the virus has overheard bacterial communication indicating the bacteria have achieved a quorum; it sends its protein to the poles of the cell (yellow dots). Bonnie Bassler and Justin Silpe, Department of Molecular Biology, Princeton University hide caption
Isela was denied life insurance because her medication list showed a prescription for the opioid-reversal drug naloxone. The Boston Medical Center nurse says she wants to have the drug on hand so she can save others. Jesse Costa/WBUR hide caption
A highly potent synthetic opioid, fentanyl is often mixed into other drugs sold on the street, including pills, heroin and even cocaine. Towfiqu Photography/Getty Images hide caption
Just outside of Paradise, the charred remains of the Camp Fire stops just short of a home that survived the blaze. Adam Grossberg/KQED hide caption
'Rethinking The Past' In The Aftermath Of California's Deadly Wildfires
Teens' biological clock drives them to stay up late and sleep in. Most school start times don't accommodate that drive. Jasper Cole/Getty Images hide caption
Keri Blakinger spent nearly two years incarcerated on narcotics charges before becoming a criminal justice reporter for the Houston Chronicle. Nicole Hensley/Houston Chronicle hide caption
From Convict To Criminal Justice Reporter: 'I Was So Lucky To Come Out Of This'
Shauna Pelfrey talks to her husband, Dorian, while preparing for his dialysis appointment. Lynsey Weatherspoon for NPR hide caption
Tim Green, a former NFL player and former NPR commentator, has ALS, also known as Lou Gehrig's disease. Green believes football gave him the disease. Heather Ainsworth for NPR hide caption
A customer holds a McDonald's Big Mac. The fast-food giant, one of the world's biggest beef buyers, has announced plans to use its might to cut back on antibiotics in its global beef supply. Environmentalists are applauding the commitment. Christoph Schmidt/Picture Alliance via Getty Images hide caption
The USNS Comfort, a U.S. Navy medical ship, floats off the coast of Riohacha, Colombia. The medical vessel is on a four-country tour of the region, providing medical assistance. Jim Wyss/Miami Herald/TNS via Getty Images hide caption
U.S. Navy Sends Hospital Ship To Colombia To Treat Venezuelan Migrants
The shortage is a nationwide problem. And the cause, according to the drug's manufacturer, GlaxoSmithKline, is simple: "Unprecedented demand." Ben Stansall/AFP/Getty Images hide caption