When warmwater fish species like bass, walleye and crappie that are not native to the Pacific Northwest, but prized by some anglers, overlap with baby spring chinook salmon in reservoirs in Oregon's Willamette River they ...
Plants & Animals
Sep 23, 2021
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246
Fewer than one hundred kilometers lie between the flood-ravaged district of Ahrweiler and the volcanic lakes in the Eifel. These maars have now provided evidence that weather extremes could increase. Researchers at Johannes ...
Earth Sciences
Aug 24, 2021
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180
Chinese researchers along with international colleagues recently reported a 6,700-year-long, precisely dated and well-calibrated tree-ring stable isotope chronology from the Northeastern Tibetan Plateau. It reveals full-frequency ...
Earth Sciences
Jul 20, 2021
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18
Ecologists from the Conservation Forensics Laboratory of the Research Division for Ecology and Biodiversity at the University of Hong Kong (HKU) have applied stable isotope techniques to determine whether birds in the pet ...
Plants & Animals
Jul 12, 2021
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13
Scientists have discovered a new type of star dust whose composition indicates that it formed during a rare form of nucleosynthesis (the process through which new atomic nuclei are created) and could shed new light on the ...
Astrobiology
Jul 12, 2021
1
41
While best known as the code for genetic information, DNA is also a nutrient for specialized microbes. An international team of researchers led by Kenneth Wasmund and Alexander Loy from the University of Vienna has discovered ...
Ecology
Jun 15, 2021
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18
Researchers from UNSW have found an extraordinary material that does not expand or contract over an extremely wide temperature range and may be one of the most stable materials known.
Materials Science
Jun 14, 2021
1
45
Low-to-mid latitude land surfaces at low elevation cooled on average by 5.8 ± 0.6 degrees C during the Last Glacial Maximum (LGM), based on an analysis of noble gases dissolved in groundwater, according to a new study published ...
Earth Sciences
May 12, 2021
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452
Methane, a chemical compound with the molecular formula CH4, is not only a powerful greenhouse gas, but also an important energy source. It heats our homes, and even seafloor microbes make a living of it. The microbes use ...
Earth Sciences
May 5, 2021
1
1117
The fearsome tyrannosaur dinosaurs that ruled the northern hemisphere during the Late Cretaceous period (66-100 million years ago) may not have been solitary predators as popularly envisioned, but social carnivores similar ...
Paleontology & Fossils
Apr 20, 2021
0
44
