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| Methane in plumes of Saturn's moon Enceladus: Possible signs of life? Posted: 06 Jul 2021 03:09 PM PDT A study concludes that known geochemical processes can't explain the levels of methane measured by the Cassini spacecraft on Saturn's icy moon. While the paper by no means suggests that life exists on Enceladus, the results would be consistent with microbial activity similar to that known to occur at hydrothermal vents in Earth's oceans. |
| Secret to weathering climate change lies at our feet Posted: 06 Jul 2021 01:38 PM PDT Researchers recently discovered that the ability of agricultural grasses to withstand drought is directly related to the health of the microbial community living on their stems, leaves and seeds. |
| Enzyme from fungi shows molecules which way to turn Posted: 06 Jul 2021 12:30 PM PDT A small fungal enzyme could play a significant role in simplifying the development and manufacture of drugs, according to scientists. |
| Worms learn how to optimize foraging by switching their response to social cues Posted: 06 Jul 2021 12:30 PM PDT Worms optimize their foraging behavior by learning to associate pheromones with food availability and changing their movements accordingly, new research finds. |
| Bacterial survival kit to endure in soil Posted: 06 Jul 2021 10:31 AM PDT Soil bacteria have amazing strategies to attain energy in order to withstand stressful times. Researchers investigated how acidobacteria, which are widespread in soils, can survive under adverse conditions. |
| Study finds genes role in immune response of Florida corals to rapidly spreading disease Posted: 06 Jul 2021 08:54 AM PDT A new study has documented what coral genes are doing in response to a disease that is rapidly killing corals throughout Florida and the Caribbean. The findings can help to better understand coral immune system as new diseases emerge as the ocean warm. |
| Gulf Coast ready to develop carbon storage hub Posted: 06 Jul 2021 08:53 AM PDT The stage is set for a new carbon storage economy to emerge along the Gulf Coast, according to a new study, with the region offering ample opportunities to capture and store carbon, and recent state and federal incentives giving an added push to get started. |
| Next-generation sequencing uncovers what's stressing bumblebees Posted: 06 Jul 2021 08:53 AM PDT Scientists used next-generation sequencing to look inside bumblebees for evidence of pesticide exposure, including neonicotinoids, as well as pathogens, and found both. Using a conservation genomic approach, the researchers studied Bombus terricola or the yellow-banded bumblebee, a native to North America, in agricultural and non-agricultural areas. This new technique allows scientists to probe for invisible stressors affecting bees. |
| Embedded gas sensing device promises simple, accurate volatile organic compounds detection Posted: 06 Jul 2021 08:53 AM PDT Emitted as gases from certain solids or liquids, volatile organic compounds include a variety of chemicals, and many are associated with adverse health effects so detecting VOCs simply, quickly, and reliably is valuable for several practical applications. Researchers now describe a device designed to analyze air samples containing various VOCs. The device inhales a sample, enabling the sensors within its aluminum gas chamber to analyze and respond in real situations. |
| Vertical greenery can act as a stress buffer Posted: 06 Jul 2021 08:53 AM PDT Vertical greenery 'planted' on the exterior of buildings may help to buffer people against stress, a new study has found. |
| Light pollution has complex effects on animal vision Posted: 06 Jul 2021 07:20 AM PDT Changes in the color and intensity of light pollution over the past few decades result in complex and unpredictable effects on animal vision, new research shows. |
| Long-term urban emissions data show a decrease in high-income countries Posted: 06 Jul 2021 05:41 AM PDT A new study shows how urbanization has influenced anthropogenic CO2 and air pollutant emissions across all world regions. The results show that by 2015 urban centers were the source of a third of global anthropogenic greenhouse gases, and the majority of air pollutant emissions. |
| Constructed wetlands are best protection for agricultural runoff into waterways Posted: 05 Jul 2021 12:21 PM PDT Researchers found constructed wetlands are the most effective means to improve water quality, especially if the size and location are evaluated at the scale of a watershed -- an entire region that drains into a common waterway. |
| Male dragonflies lose their 'bling' in hotter climates Posted: 05 Jul 2021 12:21 PM PDT A new study finds that dragonfly males have consistently evolved less breeding coloration in regions with hotter climates. The research reveals that mating-related traits can be just as important to how organisms adapt to their climates as survival-related traits. |
| Seabird colony creates 'halo' of depleted fish stocks Posted: 05 Jul 2021 12:20 PM PDT A vast seabird colony on Ascension Island creates a 'halo' in which fewer fish live, new research shows. |
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