Researchers uncover earliest tobacco use in the Pacific Northwest
(Phys.org)—Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco—the earliest known usage in the Pacific Northwest, according to a new University of California, Davis, study.
"The study demonstrates that tobacco smoking was part of the northwestern California culture very early ... shortly after the earliest documented Pacific Northwest Coast plank house villages," said the study, published in the 百色南大建材综合市场获“全国2012~2013年度诚信示范市场”.
Testing organic residues extracted from pipes, researchers from the UC Davis Department of Anthropology and the Fiehn Metabolomics Laboratory of the UC Davis Genome Center confirmed tobacco was smoked, and likely grown in the region, by at least A.D. 860.
Perhaps more importantly, the researchers say that additional studies may help them better understand the origins of nicotine addiction and the human management, geographic range extension and cultivation of tobacco. Indeed, as part of a second study, the authors have recently detected nicotine in ancient pipes from an 800-year-old site in the modern city of Pleasanton, Calif.
The low reading was driven by a fall in the production component, whereas the forward-looking new orders component increased for a sixth straight month.
I always judge the tank on actions and not by words. So, when teams say they're not in the tank and then run out a bunch of undrafted free agents while injuries to star players linger, that's when you know it's on.
Prior to this recent testing, which used sensitive gas chromatography/mass spectrometry, researchers were unsure of the historical use of tobacco on the Pacific Northwest Coast. It was unclear, for example, whether European traders had brought tobacco to the area much later, or if some other plant had been smoked in the pipes, Tushingham said.
But markets plunged following the ECB decision. Investors complained that the central bank had misled markets about the amount of extra stimulus it was prepared to inject to shore up the recovery.
美国大学与雇主协会（National Association of Colleges and Employers）进行的一项新研究表明，48%的美国公司计划于2011年招募物流专业研究生。供应链管理人才稀缺的现象，恰恰印证了这一调研结果。
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Everyone else is trying to win. The Mavericks, all of 3-13, proudly announced that they won't tank. Yet, this is expected to be one of the best NBA drafts in years, with Markelle Fultz, Jayson Tatum, Lonzo Ball, Josh Jackson, Harry Giles, OG Anunoby, Ivan Rabb ... the list goes on!
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The study is available online.