搜索结果: 1-15 共查到“国际动态 理学 history”相关记录16条 . 查询时间(0.4 秒)
![](http://www.firstlight.cn/upload/imgfile/20211/28/2021128141643474.jpg)
Prepare for next pandemic by preserving animal specimens in natural history collections, scientists say(图)
pandemic preserving animal specimens natural history collections
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2021/1/28
It's been more than a year since the first cases were identified in China, yet the exact origins of the COVID-19 pandemic remain a mystery. Though strong evidence suggests that the responsible coronav...
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New Argentine fossils uncover history of celebrated conifer group(图)
New Argentine fossils uncover history celebrated conifer group
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2020/7/3
Newly unearthed, well-preserved conifer fossils from Patagonia, Argentina, show that an endangered and celebrated group of tropical West Pacific trees has roots in the ancient supercontinent that once...
![](http://www.firstlight.cn/upload/imgfile/20204/17/202041711322629.jpg)
Modern humans, Neanderthals share a tangled genetic history, study affirms(图)
Modern humans Neanderthals tangled genetic history
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2020/4/17
In recent years, scientists have uncovered evidence that Neanderthals and modern humans interbred. Previous research has shown that Neanderthals who were connected to the Vindija Cave in modern-day Cr...
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Study of northern Alaska could rewrite Arctic history(图)
northern Alaska Arctic history mineral wealth economic development
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2019/10/30
Parts of Alaska's mountainous Brooks Range were likely transported there from Greenland and a stretch of the Canadian Arctic much farther to the east, according to a series of studies detailing more t...
![](http://www.firstlight.cn/upload/imgfile/20181/31/2018131165644941.gif)
New Stellar Streams Confirm ‘Melting Pot’History of the Galaxy(图)
New Stellar Streams Melting Pot History of the Galaxy
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2018/1/31
Where do the stars in our Galaxy come from? All the stars we see in the night-time sky belong to our Milky Way galaxy, and while most stars were likely born here, in the Milky Way, many appear to have...
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Massive East Antarctic Ice Sheet Has History Of Instability(图)
East Antarctic Ice Sheet History Instability
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2017/12/19
The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice sheet on the planet. It's also thought to be among the most stable, n...
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Pumpkin genomes sequenced revealing uncommon evolutionary history(图)
Pumpkin genomes sequenced evolutionary history
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2017/11/23
For some, pumpkins conjure carved Halloween decorations, but for many people around the world, these gourds provide nutrition. Scientists at Boyce Thompson Institute (BTI) and the National Engineering...
PARTNERS IN PARASITISM,LICE AND THEIR BACTERIAL SIDEKICKS SHARE LONG HISTORY
PARTNERS IN PARASITISM LICE AND THEIR BACTERIAL SIDEKICKS SHARE LONG HISTORY
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2017/4/27
A Florida Museum of Natural History study provides new insights into the complex, shared history between blood-sucking lice and the vitamin-producing bacterial sidekicks that enable them to parasitize...
A history of snowfall on Greenland,hidden in ancient leaf waxes
history of snowfall Greenland ancient leaf waxes
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2016/5/31
The history of Greenland’s snowfall is chronicled in an unlikely place: the remains of aquatic plants that died long ago, collecting at the bottom of lakes in horizontal layers that document the passi...
Newly discovered reptile fossils offer clues about elevation history of Andes Mountains and climate change
reptile fossils elevation history Andes Mountains climate change
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2016/1/8
On an arid plateau in the Andes Mountains of southern Bolivia, a Case Western Reserve University researcher flagged what turned out to be the fossil remains of a tortoise nearly five feet long—a find ...
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Study of Andromeda's stellar disk indicates more violent history than Milky Way(图)
Andromeda's stellar more violent history Milky Way
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2015/1/20
A detailed study of the motions of different stellar populations in the disk of the Andromeda galaxy has found striking differences from our own Milky Way, suggesting a more violent history of mergers...
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Weather history time machine(图)
Weather history
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2014/12/1
A San Diego State University geography professor, Samuel Shen, and colleagues have developed a software program that allows climate researchers to access historical climate data for the entire global ...
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Rewriting the history of volcanic forcing during the past 2000 years A year-by-year record of volcanic eruptions from a comprehensive Antarctic ice core array(图)
The desert The South Pole. The volcano. Climate change Sulfur dioxide Sulfate Ice cores
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2014/7/18
RENO – A team of scientists led by Michael Sigl and Joe McConnell of Nevada’s Desert Research Institute (DRI) have completed the most accurate and precise reconstruction to date of historic volcanic s...
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Space–time invisibility cloak could 'edit history'(图)
Space–time invisibility cloak 'edit history'
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2010/11/30
Physicists in the UK have proposed a "space–time" invisibility cloak that, if built, could be used to prevent signal interference or give the illusion of a Star Trek teleportation device. The idea com...
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Stardust Samples Rewrite History of Solar System(图)
Stardust Solar System
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2006/12/20