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The FDA is asking makers of antibacterial soap to prove their product is more effective than regular soap. - 

Flu season is in full swing and as many of us get ready to travel for the holidays, we’re all trying our remedies of choice to avoid getting sick. A lot of people use antibacterial hand soap to help stay flu-free. But now, the Food and Drug Administration is asking makers of antibacterial soap to prove their product is more effective than regular soap.

In today's tech world -- alongside the tales of the newly-minted, young male billionaire entrepreneurs -- another narrative is emerging: the comparative absence of women. Up to 90 percent of the engineering teams at start-ups are men. Some women in the Valley are trying to engineer some change.

The Beatles have a new release out today on iTunes -- "new" in the sense that these are recordings that have never been sold commercially. There are 59 songs including some outtakes from BBC and studio sessions and a few demos from 1963. The reason for the release has more to do with copyright law than demand.

Follow David Brancaccio at @DavidBrancaccio