An FDA report warns dog owners of the dangers of "bone treats," which can consist of full or partial pieces of animal bone. Andres Kudacki/AP hide caption

The Two-Way
Must Reads
Thursday
Artist's rendition of a family of pterosaurs, which had massive wingspans of up to 13 feet and likely ate fish with their large teeth-filled jaws. Illustrated by Zhao Chuang hide caption
Wednesday
The pipeline on rural farmland near the small community of Amherst, S.D., was likely damaged when it was installed in 2008, federal investigators say. DroneBase via AP hide caption
Tuesday
A demonstration of strength of the artificial muscle. Shuguang Li/Proceedings of the National Academy of Sciences hide caption
NPR's newsroom during election coverage on Nov. 8, 2016. The network has been rocked in recent weeks by allegations of sexual harassment. Stephen Voss/NPR hide caption
Monday
The moon rises beyond the University of Kansas campus in Lawrence, Kan., Nov. 13, 2016. The 2017 supermoon will appear Dec. 3. Orlin Wagner/AP hide caption
Wednesday
Astronauts aboard the International Space Station took this image of southern Scandinavia lit up at night. A green aurora is visible over the horizon. NASA hide caption
Tuesday
A tour group in 2012 walks through the campus of Harvard University in Cambridge, Mass. Elise Amendola/AP hide caption
There are many different ways to hold a divining rod or dowsing rod. Some people prefer to "witch" for water with a pendulum. The practice relies on the idea that the object will suddenly move when a person passes over water. Traite De La Physique Occulte/Bettmann Archive hide caption
Friday
A technician examines the mirror on the Large Synoptic Survey Telescope. Scientists at two national laboratories are currently building the components for an enormous digital camera that will capture images from the telescope. Joe McNally/Getty Images hide caption
Thursday
Star Wars Battlefront II, a new game from Electronic Arts set in the Star Wars universe, is scheduled to be released on Friday. EA DICE hide caption
Martha (right), the last known passenger pigeon, died in 1914. Her preserved body is now on display at the Smithsonian's National Museum of Natural History in Washington, D.C. Susan Walsh/AP hide caption
Why Did The Passenger Pigeon Go Extinct? The Answer Might Lie In Their Toes
Tuesday
NPR CEO Jarl Mohn, shown here in 2015, said Tuesday that he is going on leave for medical reasons for at least four weeks. Alex Brandon/AP hide caption
Friday
ICC prosecutor Fatou Bensouda said she has decided to request authorization to open a formal investigation of war crimes in Afghanistan. Peter Dejong/AP hide caption
Army Sgt. Bowe Bergdahl (center) arrives at the military courtroom facility for a sentencing hearing at Fort Bragg, N.C., on Friday. Gerry Broome/AP hide caption