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ScienceDaily: Earth & Climate News |
| Posted: 28 Jan 2022 01:10 PM PST For the first time, scientists measure oxygen flow into the deep ocean interior of the Labrador Sea between Canada and Greenland. They studied how much oxygen absorbed by the sea each winter makes it into the deep, fast-flowing currents that ultimately transport it across the globe. |
| Human disturbance is the most crucial factor for lynx in habitat selection Posted: 28 Jan 2022 11:13 AM PST Habitat selection in wildlife is a process that occurs at different scales: Balancing advantages, such as high abundance of food, with disadvantages, such as human disturbance. Large predators, with their large spatial requirements, are particularly sensitive to these disturbances. |
| Shedding light on polymer solar cells: Illuminating how solvent additives improve efficiency Posted: 28 Jan 2022 07:07 AM PST Researchers imaged nanoscale photocurrents in an all-polymer blend solar cell using photoconductive atomic force microscopy. Trace solvent additives were found to enhance polymer ordering and crystallization without undesirable changes in the scale of phase separation necessary for device performance. The findings explain the basis of the performance enhancement attributed to solvent additives and will accelerate research efforts aimed at establishing all-polymer blend solar cells as a viable environmentally sustainable choice. |
| Txikispora philomaios, a parasite that will help to explain the origin of animal multicellularity Posted: 28 Jan 2022 07:07 AM PST Researchers have discovered a parasite present in seawater and which belongs to a primitive lineage; they have named it Txikispora philomaios. This organism will help to explain how multicellularity developed in animals. |
| Rise of termite clone queendoms offers clue to curb invasions Posted: 28 Jan 2022 05:58 AM PST The scientists who discovered all-female termite colonies have now ascertained how they came to exist. In doing so, they revealed how these powerful females potentially threaten other termites, as well as homeowners. |
| Peruvian gold rush turns pristine rainforests into heavily polluted mercury sinks Posted: 28 Jan 2022 05:57 AM PST Illegal gold mining in the Peruvian Amazon is causing exceptionally high levels of atmospheric mercury pollution in a nearby patch of pristine rainforest. One stand of old-growth pristine forest had the highest levels of mercury ever recorded, rivaling industrial areas where mercury is mined. Birds from this area have up to twelve times more mercury in their system than birds from less polluted areas, a level of poisoning that should harm their reproduction. |
| Crowding, climate change, and the case for distancing among trees Posted: 27 Jan 2022 02:26 PM PST In the age of large-scale fires, forest-wide beetle invasions, and frequent drought, maintaining 'ideal' historical conditions is becoming increasingly unrealistic. Novel conditions require different strategies; lower crowding for trees can increase chances of survival after fire. Results from two long-term studies show that chances for long-term tree survival increased when trees had more space, by reducing competition and helping trees recover from fire more quickly. |
| Climate change in the Early Holocene Posted: 27 Jan 2022 08:43 AM PST New insight into how our early ancestors dealt with major shifts in climate has been revealed. |
| Biologists found hundreds of plant viruses hitchhiking on pollen Posted: 26 Jan 2022 09:24 AM PST Biologists found hundreds of virus species traveling on pollen grains. The results carry lessons for agriculture and even backyard beekeepers. |
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