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Researchers uncover earliest tobacco use in the Pacific Northwest

UC Davis researchers uncover earliest tobacco use in the Pacific Northwest
The earliest known usage of tobacco in the Pacific Northwest was smoked using a pipe similar to this one, according to Shannon Tushingham, a UC Davis archaeology research associate. Credit: Shannon Tushingham

(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 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 .

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 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 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.

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Logan's claws are slow on the draw and his self-healing powers are on the fritz, but he's committed to caring for his mentor Charles Xavier (Patrick Stewart, so good you want to applaud). It's not easy watching Professor X suffer seizures that rattle his telepathic brain. Make no mistake, Logan earns its tears. If Jackman and Stewart are serious about this being their mutual X-Men swan song, they could not have crafted a more heartfelt valedictory.
4.Venice, Italy
统计数据显示,在2009年之前,全球研发支出以每年约7%的速度增长,但在2014年放缓了4%。
去年此时,罗丝·麦高恩以强奸罪控告制作人哈维·韦恩斯,在娱乐圈引发轩然大波,众多控告纷至沓来。
Fewer women than men have worked abroad for at least six months (42 per cent and 52 per cent respectively) but they share exactly the same motivations — to develop management skills, build their network and increase their earnings.

Prior to this recent testing, which used sensitive gas chromatography/mass spectrometry, researchers were unsure of the historical use of tobacco on the 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.

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或许是作为回应,在2017年初,中国媒体监管机构在报道票房数据时悄然开始计入在线票务公司收取的服务费。
今年中国经济成V字形强劲复苏,随之而来的是许多关于城市房价疯涨的报道。
弗拉德-迪瓦茨令人尴尬的新闻发布会,Vivek Ranadive对巴迪-希尔德的兴趣被透露,以及未能换回选秀权的多余球员。
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Bank of China followed the trend, with profits up only 1.3 per cent and ROAA declining by 0.1 percentage points.
3. oDesk&Elance

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Sun said he tried to pry open the elevator door, but dismissed the idea and instead leaned against the wall concerned there could be a malfunction that would send the elevator in a free fall.
……带着狗来面试。
Will the rest of the world cooperate?
The upcoming launch will mark the five-year anniversary of the sinking of a South Korean warship in 2010, with the loss of 46 sailors. The South pinned the blame on the North and effectively froze all inter-Korean trade and investment ties.
他说,到1997-98年亚洲金融危机爆发时,美联储的回应已变得更加迅速,它退出了紧缩周期,担心东南亚的动荡会影响美国经济。
v. 结带子,饰以花边

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In this Jan. 6, 2004 file photo, Apple CEO Steve Jobs displays the at the Macworld Conference and Expo in San Francisco. Jobs,
spontaneous
adj.

The study is available online.


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英国会是七国集团(G7)中经济增长最慢的国家吗?

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Citation: Researchers uncover earliest tobacco use in the Pacific Northwest (2013, March 1) retrieved 18 November 2020 from https://phys.org/news/2013-03-uncover-earliest-tobacco-pacific-northwest.html
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