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The number of people filing first-time clams for unemployment insurance fell by 27,000 last week, to 341,000 from 368,000 the week before.

The Employment and Training Administration also reports that the "4-week moving average was 352,500, an increase of 1,500." That average, in theory, gives a better picture of the trend.

When the X-ray was invented, people clamored to get one. Not for any medical reason, but just to see what was typically hidden inside their bodies.

Something like that seems to be happening with DNA sequencing technology. First it was companies offering to sequence people's genomes. Now it's learning all about your microbiome, the collection of microorganisms living on and in your body.

The daily lowdown on books, publishing, and the occasional author behaving badly.

Our most recent update was added at 1:45 p.m. ET.

South African Paralympic and Olympic athlete Oscar Pistorius "has been charged with the murder of his girlfriend," The Associated Press reports from Pretoria.

Reeva Steenkamp was shot and killed inside Pistorius' home early Thursday, police say.

The AP adds that: