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Looking for osteoporosis in spit
A dentist has found three compounds in saliva that could be used to gauge bone loss.
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“Oceans of electricity” was a fine article, but one line should have been added about the engineers of the ’30s who had plans to build wave-power electricity for the eastern United States. World War II interrupted the plans for cheap power without oil, however. Douglas O. Deshazer Omaha, Neb. The article mentions the lack of […]
- Tech
Oceans of Electricity
The world's first commercial wave-power plant began pumping current into a Scottish island's electric grid last winter, just ahead of a host of competing schemes for converting ocean-wave motion into electricity.
