Jan. 24, 2024 The brown bear is one of the largest living terrestrial carnivores, and is widely distributed across the Northern Hemisphere. Unlike many other large carnivores that went extinct at the end of the last Ice Age (cave bear, sabretoothed cats, cave hyena), the brown bear is one of the lucky survivors that made it through to the present. The question has puzzled biologists for close to a century -- ...
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Jan. 26, 2024 A valuable molecule sourced from the soapbark tree and used as a key ingredient in vaccines, has been replicated in an alternative plant host for the first time, opening unprecedented opportunities for the vaccine ...
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Jan. 26, 2024 Seagrasses provide the foundation of one of the most highly biodiverse, yet vulnerable, coastal marine ecosystems globally. They arose in three independent lineages from their freshwater ancestors some 100 million years ago and are the only fully submerged, marine flowering plants. Moving to such a radically different environment is a rare evolutionary event and definitely not easy. How did they ...
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Jan. 25, 2024 The pore-like structure of permeable pavements may help protect coho salmon by preventing tire wear particles and related contaminants from entering stormwater runoff, according to a recent study. Researchers demonstrated that four types of permeable pavements can act as giant filters, retaining more than 96% of applied tire particle mass. They also captured several tire-associated chemicals, ...
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Jan. 26, 2024 Large coastal upwelling systems along the eastern margins of the Atlantic and Pacific Oceans are among the most biologically productive and biodiverse regions of the world's oceans. Typically, the strength and timing of upwelling in such systems are linked to the prevailing winds. Interestingly, in some tropical regions, high levels of productivity occur even when the upwelling favorable winds ...
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Jan. 25, 2024 European forests with a greater diversity of tree species are more resilient to storms, according to new ...
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Jan. 25, 2024 Hydrothermal vents and manganese nodule fields in the deep oceans contain more biodiversity than ...
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Jan. 25, 2024 A newly evolved enzyme could one day make silicone compounds ...
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Jan. 24, 2024 A new method predicts how much flooding a coastal community is likely to experience as hurricanes evolve due to climate change. Using New York as a test case, the model predicts Hurricane Sandy-level flooding will occur roughly every 30 years by ...
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Jan. 24, 2024 Scientists have experimental evidence that the key step in protein formation can occur in droplets of pure ...
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Jan. 24, 2024 Analysis of the remains of 24 individuals from the Wilamaya Patjxa and Soro Mik'aya Patjxa burial sites in Peru shows that early human diets in the Andes Mountains were composed of 80 percent plant matter and 20 percent ...
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Jan. 24, 2024 Cryptocurrency is usually 'mined' through the blockchain by asking a computer to perform a complicated mathematical problem in exchange for tokens of cryptocurrency. But now a team of chemists have repurposed this process, asking computers to instead generate the largest network ever created of chemical reactions which may have given rise to ...
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