搜索结果: 46-60 共查到“国际动态 理学 scientists”相关记录285条 . 查询时间(0.125 秒)
Scientists discover how cyanobacteria thrive in low light（图）
Scientists cyanobacteria low light
2020/2/20
Scientists have determined the structure of the protein complex that gives cyanobacteria their unique ability to convert weak, filtered sunlight into useable energy. The National Science Foundation-fu...
Scientists discover protein that lulls algae to 'sleep'（图）
Scientists protein that lulls algae sleep
2020/2/20
Algae have the potential to become a sustainable source of high-value biofuels. But researchers face major challenges that hold them back from mass-producing algae.Triacylglycerols, or TAGs, are the r...
Scientists improve understanding of Mount St. Helens eruption recovery（图）
Scientists Mount St. Helens eruption recovery
2020/2/20
Through research in the blast zone of Mount St. Helens, Evergreen State College scientists have discovered that plants are influencing the ecosystem’s recovery.A new paper reporting the results, "Plan...
Scientists unlock mysteries of grasshoppers' response to gravity（图）
Scientists mysteries grasshoppers response gravity
2020/1/19
Despite the importance of insects as agricultural pests, disease vectors, and food web components, the understanding of many aspects of their basic physiology is minimal.Arizona State University ...
Scientists find oldest-known fossilized digestive tract — 550 million years（图）
Scientists oldest-known fossilized digestive tract 550 million years
2020/1/19
A 550-million-year-old fossilized digestive tract found in the Nevada desert could be a key to understanding the early history of animals on Earth.More than a half-billion years ago, life on Earth con...
NSF-funded scientists at Cold Spring Harbor Laboratory are figuring out how to pack more kernels onto a corn cob. One way to boost the productivity of a plant, they say, is to redirect some of its res...
Scientists show 'Red Queen' evolutionary principle at work in microbes in waters off Southern California（图）
Scientists Red Queen evolutionary principl microbes waters off Southern California
2019/12/20
In the waves off Southern California, germ warfare occurs in a struggle as old as life itself. That's where University of Southern California marine biologists recently completed a comprehensive new s...
How small is the tiniest possible particle of ice? According to new NSF-funded research published in the journal Proceedings of the National Academy of Sciences, the smallest nanodroplet of water in w...
Scientists have discovered an antibiotic produced by a soil bacterium in a Mexican tropical forest that may help lead to a "plant probiotic."Probiotics, which provide health benefits to humans, can al...
Scientists project northward expansion of Valley fever by end of 21st century（图）
Scientists northward expansion Valley fever 21st century
2019/10/18
Valley fever is endemic to hot, dry regions such as California's San Joaquin Valley in the southwestern United States, but scientists at the University of California, Irvine predict that climate chang...
Scientists discover clues to ancient high sea level rise in Mallorcan cave（图）
Scientists ancient high sea level rise Mallorcan cave
2019/10/18
Scientists studying evidence preserved in a coastal cave have shown that more than three million years ago -- a time in which Earth was two to three degrees Celsius warmer than the pre-industrial era ...
Scientists deepen understanding of magnetic fields that surround Earth（图）
Scientists magnetic fields surround Earth
2019/10/23
Vast rings of electrically charged particles encircle the Earth and other planets. Now, a team of scientists has conducted research into waves that travel through this magnetic, electrically charged e...
Scientists discover how birds navigate crosswinds（图）
Scientists birds navigate crosswinds
2019/10/23
While pilots rely on radio signals, advanced computations and other tools to keep them on course during strong crosswinds, birds can naturally navigate these demanding conditions -- in environments wi...
Scientists find no direct link between North Atlantic Ocean currents, New England coast sea level（图）
Scientists North Atlantic Ocean currents New England coast sea level
2019/10/28
A new study by NSF-funded scientists at the Woods Hole Oceanographic Institution clarifies the influence of major currents in the North Atlantic Ocean on sea level along the coast of the northeastern ...
Scientists solve long-standing mystery:Why atmospheric carbon dioxide was lower during ice ages（图）
Scientists long-standing mystery atmospheric carbon dioxide lower during ice ages
2019/10/28
Since scientists first determined that atmospheric carbon dioxide was lower during ice ages than during warm phases, they have looked at why, theorizing that it may be a function of ocean circulation,...