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Exclusive: Katie Couric talks to Melinda Gates about donor challenge for books, tech, tools for classroom.


1969-12-31 17:00:00 -0700

This Aug. 21, 2014 photo made available by the Oklahoma County Sheriff's Office shows Daniel K. Holtzclaw. The 27-year-old Oklahoma City police officer was arrested Thursday, Aug. 21, 2014 and is being held in lieu of $5 million bond after being accused of committing a series of sexual assaults against at least six women while on duty. (AP Photo/Oklahoma County Sheriff's Office)OKLAHOMA CITY (AP) — An Oklahoma City police officer is accused of sexually assaulting at least six women during traffic stops, and investigators are trying to track down yet more potential victims.


2014-08-22 08:32:26 -0600

The Odd Way Tuberculosis Was Brought to AmericaWhen European explorers landed in the Americas, they brought tuberculosis (TB) and a wave of other deadly diseases with them. In fact, these strains may have been brought to the Americas by seals and sea lions, researchers say. A new analysis of three ancient Peruvian human skeletons that date to between A.D. 1028 and 1280 — well before Europeans landed on American shores — shows evidence of tuberculosis, including skeletal lesions and curved spines. "It looked as though tuberculosis was present in the New World before [European] contact, based on these skeletons," said Kirsten Bos, the study's lead researcher and a postdoctoral fellow in paleogenetics at the University of Tübingen in Germany.


2014-08-22 09:13:02 -0600