Oklahoma Gov. Mary Fallin walks on the floor of the Oklahoma House on Wednesday. On Friday, Fallin vetoed legislation that would make it a felony for doctors to perform an abortion. Sue Ogrocki/AP hide caption
University of Florida researchers recently published a paper showing that captured reptiles in 2009, 2011 and 2014 are Nile crocs. Joe Wasilewski/AP hide caption
Mexico's most wanted drug lord, Joaquin "El Chapo" Guzmán, stands for his prison mug shot at the Altiplano maximum security federal prison in Almoloya, Mexico. AP hide caption
Donald Trump is introduced by National Rifle Association executive director Chris Cox (left) and NRA executive vice president Wayne LaPierre on Friday at the organization's convention in Louisville, Ky. Mark Humphrey/AP hide caption
A typical label includes safe cooking instructions. This label on blade-tenderized beef sold at Costco recommends 160 degrees as the minimum internal temperature, which doesn't require a three-minute rest time. Lydia Zuraw/KHN for NPR hide caption
Coming soon: The redesigned nutrition facts label will highlight added sugars in food. The label also will display calories per serving, and serving size, more prominently. U.S. Food and Drug Administration hide caption
Environment and Public Works Committee Chairman Sen. James Inhofe, R-Okla., speaks with Sen. Barbara Boxer, D-Calif., on Thursday before joining a bipartisan group of senators at a Capitol Hill news conference to discuss legislation to improve the federal regulation of chemicals and toxic substances. J. Scott Applewhite/AP hide caption
Aedes aegypti mosquito photographed through a microscope. Felipe Dana/AP hide caption
New York's Utica City School District has reached a settlement in a federal lawsuit that says it discriminated against refugee students and did not let them enroll at Thomas R. Proctor High School, shown here. Hansi Lo Wang/NPR hide caption