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Scientists have published thousands of studies using immortal cell lines, but in many cases the cells in the experiments have been misidentified or contaminated. The problem could be avoided easily.

Scientists have published thousands of studies using immortal cell lines, but in many cases the cells in the experiments have been misidentified or contaminated. They could avoid the problem easily.

There's not much evidence that radiation increases survival in older women with early-stage breast cancer, but doctors are still prescribing it. It can be hard to get doctors to change protocols.

When Peggy Young became pregnant, her doctor recommended not lifting more than 20 pounds and she lost her job. Now a federal law banning pregnancy discrimination faces a test before the Supreme Court.

Our last monthly roundup of the year includes new music from Theo Parrish, Kim Ann Foxman, Romare, Helena Hauff, Afrikan Sciences, and Frank & Tony.

Meteorologists are annoyed by the hype around the phrase "polar vortex." This week's frigid snap, they say, was just a regular old cold front.

Seven San Diego hospitals rank among the nation's top performers in a new report on healthcare quality.

Family Furnishings collects 24 of short story master Alice Munro's best works. Reviewer Jane Ciabattari calls it a superb introduction to Munro, and a reminder that she's a writer to be cherished.

After he was publicly denounced, Shostakovich rebounded with the compelling and calculated Symphony No. 5. The music supplied a soundtrack for the Soviet people and satisfied the apparatchiks.

It was packed with all the things needed to keep safe on a reporting trip to Sierra Leone. Then it took a few wrong turns and ended up in ... Paris! Will correspondent and luggage ever be reunited?