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Airs Wednesday, Nov. 8, 2017 at 11 p.m. on KPBS TV

Northeastern University researchers wanted to figure out how Uber comes up with surge prices by studying Manhattan and San Francisco. They say the surges work, but maybe not the way they are intended.

The record-breaking powerball prize rose to new heights this afternoon. But did you know Americans spent more than $70 billion on the lottery last year?

Scott Makeig was one of five winners of the first UC President's Research Catalyst Awards.

If the impending holidays have you stressed out, an act of kindness could help. Researchers tracked people and found that stress levels dropped when they went out of their way to help others.

Tea drinking has long been synonymous with female tittle-tattle. Though men drank as much tea and gossiped as avidly as women, it was the latter who got stuck with the bad rap.

Regular chocolate eaters had a lower risk of cardiovascular disease and strokes compared to people who didn't eat chocolate. The researchers say it's more evidence that polyphenols may be protective.

H. Richard Milner's new book helps educators understand how to incorporate talk of race, class and inequality into their lessons.

H. Richard Milner's new book helps educators understand how to incorporate talk of race, class and inequality into their classroom lessons.

An expert panel's conclusion that hot dogs, bacon and yes, even turkey bacon can cause cancer had many of you wanting more details. Which cancers? How much is safe to eat? We tackle your questions.