搜索结果: 1-15 共查到“理学 as we thought”相关记录40条 . 查询时间(0.084 秒)
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Study on methane in deep-sea sediments shows small releases happen more often than thought(图)
深海沉积物 甲烷 化石生物 单细胞生物
2023/6/26
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Bacteria release more carbon from the ocean than previously thought(图)
Bacteria release carbon ocean previously thought
2021/4/23
A team led by University of Minnesota researchers has discovered that deep-sea bacteria dissolve carbon-containing rocks, releasing excess carbon into the ocean and atmosphere. The findings ...
![](http://www.firstlight.cn/upload/imgfile/20213/19/2021319153532222.jpg)
Streams more vulnerable to stressors such as climate change than previously thought(图)
Streams more vulnerable stressors climate change previously thought
2021/3/19
Water is constantly on the move: through the air, through waterways, and underground. Life depends on a consistent supply of water, and details about its journey are necessary for understanding and ma...
![](http://www.firstlight.cn/upload/imgfile/20213/19/2021319151829393.jpg)
Wildfires may have larger effects on cloud formation and climate change than thought(图)
Wildfires effects cloud formation climate change thought
2021/3/19
As the frequency and size of wildfires continue to increase worldwide, new research by Carnegie Mellon University scientists shows that the chemical aging of the particles emitted by these f...
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Population of critically endangered Bahama Oriole is much larger than thought(图)
Population critically endangered Bahama Oriole much larger than thought
2021/3/12
On a low-lying island in the Caribbean, the future of the critically endangered Bahama Oriole just got a shade brighter.A U.S. National Science Foundation-funded study led by researchers at the...
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Coastal permafrost more susceptible to climate change than previously thought(图)
Coastal permafrost susceptible climate change previously thought
2020/10/30
If you flew from the sea toward the land along the north slope of Alaska, you would cross from the water, over a narrow beach, and then to the tundra. From the air, that tundra would look like a lands...
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Tectonic plates started shifting earlier than previously thought(图)
Tectonic plates started shifting previously thought
2020/5/9
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into those that exist today. Some researc...
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Microplastics million times more abundant in the ocean than previously thought(图)
Microplastics million times more abundant ocean previously thought
2019/12/20
Nothing seems safe from plastic contamination. A new study by NSF-funded researchers at the Scripps Institution of Oceanography suggests there could be a million times more pieces of plastic in the oc...
![](http://www.firstlight.cn/upload/imgfile/201910/17/20191017142818341.jpg)
Nanoparticles may have bigger impact on the environment than previously thought(图)
nanoparticle environment bigger impact on
2019/10/17
Over the last two decades, nanotechnology has improved many everyday products, from microelectronics to sunscreens. Nanoparticles (particles just a few hundred atoms in size) are ending up in the envi...
![](http://www.firstlight.cn/upload/imgfile/201910/21/20191021143716473.jpg)
Earth's last magnetic field reversal took far longer than once thought(图)
Earth magnetic field reversal took longer once thought
2019/10/21
Earth's magnetic field seems steady and true -- reliable enough to navigate by. Yet, largely hidden from daily life, the field drifts, waxes and wanes.The magnetic North Pole is currently shifting tow...
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Ancient Sharks Likely More Diverse Than Previously Thought(图)
Ancient Sharks More Diverse Previously Thought
2018/1/31
Sharks have a reputation as ravenous hunters and apex predators, but new analysis of fossil records shows that some of the earliest sharks might have been filter feeders, taking in water through their...
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Earth’s Tectonic Plates Are Weaker Than Once Thought, According to Research by Penn Geologists(图)
Earth’s Tectonic Plates Weaker Than Once Thought Penn Geologists
2017/10/25
No one can travel inside the earth to study what happens there. So scientists must do their best to replicate real-world conditions inside the lab.“We are interested in large-scale geophysical process...
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Shaking up the fish family tree:'Living fossil' not as old as we thought(图)
shaking up the fish family tree living fossil as old as we thought
2017/9/19
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.Often called living fossils, these eel...
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DNA links male,female butterfly thought to be distinct species(图)
DNA links male female butterfly distinct species
2017/9/1
Researchers recently discovered what was thought to be a distinct species of butterfly is actually the female of a species known to science for more than a century.An international team of nine butter...
Study finds Earth’s magnetic field ‘simpler than we thought’
Earth’s magnetic simpler than we thought
2017/7/24
Scientists have identified patterns in the Earth’s magnetic field that evolve on the order of 1,000 years, providing new insight into how the field works and adding a measure of predictability to chan...