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ScienceDaily: Top Environment News |
| Melting land-based ice raises sea levels globally but can produce lowered levels locally Posted: 21 Apr 2022 10:09 AM PDT When a large ice sheet begins to melt, global-mean sea level rises, but local sea level near the ice sheet may in fact drop. A researcher illustrates this effect through a series of calculations, beginning with a simple, analytically tractable model and progressing through more sophisticated mathematical estimations of ice distributions and gravitation of displaced seawater mass. The paper includes numerical results for sea level change resulting from a 1,000-gigatonne loss of ice, with parameter values appropriate to the Greenland and Antarctic ice sheets. |
| Cortisol in shelter dog hair shows signs of stress Posted: 21 Apr 2022 10:09 AM PDT Despite the good care, a shelter can be a stressful environment for dogs. Researchers investigated if the amount of the hormone cortisol in hair indicates the levels of stress that dogs experience before, during and after their stay in the shelter. |
| Study reveals set of brain regions that control complex sequences of movement Posted: 21 Apr 2022 10:09 AM PDT In a novel set of experiments with mice trained to do a sequence of movements and 'change course' at the spur of the moment, scientists report they have identified areas of the animals' brains that interact to control the ability to perform complex, sequential movements, as well as to help the mice rebound when their movements are interrupted without warning. |
| Key to improved green tech efficiency found in simple acid treatment Posted: 21 Apr 2022 10:09 AM PDT The development of new, more efficient electrochemical cells could provide a good option for carbon-free hydrogen and chemical production along with large-scale electricity generation and storage. But first, scientists must overcome several challenges, including how to make the cells more efficient and cost-effective. |
| In western floodplains, species adapt to bullfrog, sunfish invaders Posted: 21 Apr 2022 07:55 AM PDT A new study of a southwestern Washington floodplain finds that most native species adapt well to the invaders by shifting their food sources and feeding strategies. |
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