A team of scientists has shown for the first time that nicotine residue can be extracted from dental plaque on the teeth of ancient tobacco users. Their research provides a new method for determining who was consuming tobacco in the ancient world and could help trace the use of tobacco and other intoxicating plants further back into prehistory.
from Top Health News -- ScienceDaily http://ift.tt/2CqxqDC
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Researchers from MIT and Scripps have unveiled a promising new HIV vaccine approach that generates a powerful immune response with just one ...
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Three treaties between the US and Hong Kong were suspended, the latest move to pressure China. from Yahoo News - Latest News & Headl...
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