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  • Many soaps and other consumer products have chemicals that are advertised as antibacterial. But there's no evidence that they actually keep people from getting sick, the FDA says. And they may increase the threat of bacteria that are resistant to antibiotics.
  • Every brake screech, whistle and rattle from the movie The Polar Express came from recordings of a historic locomotive, the Pere Marquette 1225. After four years of costly repairs, passengers can once again jump onboard and travel to see Santa Claus at the North Pole (imagination required).
  • Dr. Tim Ihrig has almost become a member of the Avelleyra family. He's helping Augie and Phyllis, who've been married 60 years, lead the best lives they can under trying health circumstances. When Phyllis was diagnosed with congestive heart failure, Ihrig asked what she wanted from the rest of her life.
  • Defining when something is or isn't about race can be tricky. So people tend to go by a simple rule of thumb: Does it involve people who aren't white? If so, it's about race. Eric Deggans explains why this is a problem.
  • In a new poll, many parents said they're worried that schools aren't adequately preparing students for a changing workforce. And too much emphasis on memorizing facts in the classroom, both parents and kids say, is keeping young people from getting excited about science and technology careers.
  • China landed its first probe on the surface of the moon over the weekend. It's the first soft-landing on the moon's surface in nearly 40 years, and a big accomplishment for China's space program.
  • Before the end of the year, the federal government will select six states where drone makers can test how to safely integrate the technology into commercial airspace. Nevada is vying for one of the spots. The FAA stamp of approval could lure big industry to high-end test sites. But smaller drone developers, who're focused on non-military applications, also see enormous opportunities.
  • With holiday shopping well underway, Linda Wertheimer talks to tech journalist Rich Jaroslovsky about this year's non-obvious tech gifts. Among his picks is the Fitbit Flex and a talking smoke detector.
  • The head of British drug maker GlaxoSmithKline told The New York Times on Monday that the company will stop paying doctors to promote its drugs. Pharmaceutical firms commonly pay physicians to speak at medical conferences — a practice criticized as a conflict of interest.
  • Instead of "Rockin' Around the Christmas Tree," how about "Rockin' Around the Big Blue Sea"? Jonathan Coulton plays holiday tunes with the lyrics rewritten about people and characters named Chris.
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