Of the many places to learn the nuances of traditional Thanksgiving etiquette, none are quite like Wardie Sanders’ high school classroom. In this small Southern town, home to a Fortune 500 company, 30 Baptist churches and acres of cotton fields, Sanders has for 16 years taught seniors in her history class at Hartsville High how to eat a proper Thanksgiving meal.

Kim Severson
The appearance of numerous large craters in Siberian permafrost has been attributed, at least by some, to the venting of large pockets of methane gas, possibly in a dramatic or sudden way. Chris Mooney | The Washington Post
Two big powers supporting different factions in the Syrian civil war clashed with each other Tuesday when Turkish fighter jets shot down a Russian warplane that Turkey said had strayed into its airspace.Neil MacFarquhar and Steven Erlanger
Worldwide efforts to reduce human emissions of sulfur dioxide and other aerosols have been a victory for environmental and public health advocates. But those pollutants also protect Arctic ice from solar heat. Yereth Rosen
 Cancer researchers say there has been a substantial increase in women under the age of 26 who have received a diagnosis of early-stage cervical cancer, a pattern that they say is most likely an effect of the Affordable Care Act.Sabrina Tavernise
Chicago officials released a chilling dashcam video of the fatal shooting of a black 17-year-old on Tuesday, just hours after a white police officer was charged with first-degree murder in the encounter.MONICA DAVEY and MITCH SMITH
At least 11 people were killed and 14 injured here Tuesday afternoon by an explosion that heavily damaged a bus carrying members of the president’s security guard.
A white Chicago police officer accused of fatally shooting a black teenager was charged with murder Tuesday, just a day ahead of a deadline for the city to release a squad-car video of the killing.The Associated Press
Ann Pickard, who took the reins of Shell's exploration efforts in Alaska's Arctic offshore waters after the company's troubled 2012 drilling season, will join the board of Houston-based construction company KBR in December and retire from Shell in February.Alaska Dispatch News
Under the proposal, most drone owners would have to register the machines with the federal government, which would place the information in a national database, the first such requirements.Cecilia Kang