搜索结果: 1-15 共查到“理学 SO”相关记录73条 . 查询时间(0.078 秒)
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How do birds breathe so efficiently? Looped airways facilitate air flows(图)
birds breathe efficiently Looped airways facilitate air flows
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2021/4/9
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
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How'd we get so choosy about friendships late in life? Ask the chimps(图)
choosy friendships late in life chimps
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2020/10/30
When humans age, we tend to favor small circles of meaningful, already established friendships rather than seeking new ones. People are also more likely to lean toward positive relationships rather th...
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When it comes to climate, plants and animals aren't so different(图)
climate plants animals different
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2020/3/27
Despite fundamental differences in their biology, plants and animals are surprisingly similar in how they have evolved in response to climate, according to a new National Science Foundation-funde...
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How did marine animals become so diverse?(图)
marine animals diverse
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2020/3/6
Upending an evolutionary theory proposed in the 1950s, scientists have found that the groups of animals most resistant to extinction also contain the greatest ecological diversity –- their members per...
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Researchers find new reason why Arctic is warming so fast(图)
new reason Arctic warming so fast
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2020/2/28
The Arctic has experienced the warming effects of global climate change faster than any other region on the planet. Scientists at the Scripps Institution of Oceanography have developed a new theory ai...
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Why are big storms bringing so much more rain?(图)
storms rain moisture content
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2019/11/22
For three hurricane seasons in a row, storms with record-breaking rainfall have caused catastrophic flooding in the southern United States: Harvey in 2017, Florence in 2018 and Imelda in 2019.A new NS...
HXI/ASO-S和STIX/SO联合讨论会暨HXI国际咨询会在南京召开
HXI/ASO-S和STIX/SO 讨论会
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2017/12/4
2017年11月21日-24日,HXI/ASO-S和STIX/SO联合讨论会暨HXI国际咨询会在中国科学院紫金山天文台南京仙林新园区召开。RHESSI卫星首席科学家及STIX/SO首席科学家Sam Krucker教授、RHESSI卫星及STIX/SO成像系统主要设计者Gordon Hurford博士、STIX/SO仪器项目经理Stefan Koegl博士,以及来自中科院国家空间科学中心、上海微小卫...
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Changes in non-extreme precipitation may have not-so-subtle consequences(图)
non-extreme precipitation not-so-subtle consequences
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2017/9/20
Find related stories on NSF's Critical Zone Observatories site.Extreme floods and droughts receive a lot of attention. But what happens when precipitation -- or lack thereof -- occurs in a more measur...
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UT Austin Study Raises Question: Why are Fossilized Hairs so Rare?(图)
UT Austin Fossilized Hairs so Rare
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2017/9/20
When most people hear the word fossil, they probably think of gigantic leg bones or sharp teeth. But, given the right conditions, after an animal dies even delicate body coverings like skin, hair and ...
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Hot spot at Hawaii?Not so fast(图)
hot spot hawaii not so fast
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2017/9/5
Through analysis of volcanic tracks, Rice University geophysicists have concluded that hot spots like those that formed the Hawaiian Islands aren’t moving as fast as recently thought.Hot spots are are...
Estimating salt intake in humans: not so easy!
salt pot urine sodium excretion
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2018/11/14
It has long been viewed that the analysis of sodium excretion in a morning “spot” urine sample is a valuable measure to estimate salt intake of the previous day. A study in this issue of the Journal s...
As fins evolve to help fish swim,so does the nervous system
fins evolve fish swim nervous system
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2017/4/27
The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish’s swimming behavior, according to new research from the University of Ch...
So Many Microbes, So Little Time, and So Little Money: Needs and Challenges in Developing a Global Network of Biological Resource Centers
Time Money Microbes
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2015/7/29
When microbiologists first applied the tools of their trade to the oceans of the world, they quickly learned that water samples contained variable numbers of bacteria, depending on sample location and...
Why is the Northern End of the California Current System So Productive?
Northern End California Current System
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2015/7/22
Although scientists have long believed that, in an eastern boundary current system, alongcoast wind stress is responsible for the upwelling of deep nutrients that initiates phytoplankton blooms, the C...
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The ABCs of animal speech: Not so random after all(图)
animal speech human language
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2014/8/26
KNOXVILLE—The calls of many animals, from whales to wolves, might contain more language-like structure than previously thought, according to a study that raises new questions about the evolutionary or...