Hand Washing And Handshake Bans

Some hospital units have set up handshake bans because too few healthcare workers wash hands well enough to keep from spreading germs. The general public is even worse at washing hands, which has caused spread of serious disease. Some experts say handshakes foster important human connections and oppose bans. Experts discuss and describe what it takes to wash hands well enough to be “clean.”

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Does Prenatal Fluoride Lower IQ?

Fluoride in community drinking water has been controversial since its introduction nearly 75 years ago. A new study adds to this with evidence that pregnant women who drink fluoridated water may produce children with slightly lowered IQ. The study author and two other experts discuss what’s known and what the ramifications of the study could be for communities, for oral health, and for children.

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18-52 Segment 1: Smart Roads

In the near future, cars will be able to provide data as well as receive it, and a variety of methods are being researched to tap into this. Experts explain how cars can communicate with roads, traffic signals and central computers, and how roads themselves may collect data on the cars they carry. In the future, autonomous cars may use these links to greatly speed travel and make it much safer.    

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