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ScienceDaily: Top News |
| Water resources to become less predictable with climate change Posted: 18 Jul 2022 12:43 PM PDT Water resources will fluctuate increasingly and become more difficult to predict in snow-dominated regions across the Northern Hemisphere by later this century, according to a comprehensive new climate change study. Even regions that keep receiving the same amount of precipitation will experience more variable and unpredictable streamflow as snowpack recedes. |
| Skin: An additional tool for the versatile elephant trunk Posted: 18 Jul 2022 12:43 PM PDT A new study suggests that an elephant's muscles aren't the only way it stretches its trunk -- its folded skin also plays an important role. The combination of muscle and skin gives the animal the versatility to grab fragile vegetation and rip apart tree trunks. The research finds that an elephant's skin doesn't uniformly stretch. The top of the trunk is more flexible than the bottom, and the two sections begin to diverge when an elephant reaches more than 10%. When stretching for food or objects, the dorsal section of the trunk slides further forward. |
| Brains of children with autism may not always 'see' body language, study finds Posted: 18 Jul 2022 12:43 PM PDT Researchers have found that children with autism spectrum disorder may not always process body movements effectively, especially if they are distracted by something else. |
| Houston residents' chemical exposure increased post-Hurricane Harvey, study finds Posted: 18 Jul 2022 11:35 AM PDT Researchers used silicone wristbands to measure Houston residents' increased exposure to hazardous chemicals in the wake of Hurricane Harvey in 2017. |
| Reducing energy consumption: A new test system for passive cooling materials Posted: 18 Jul 2022 11:23 AM PDT Passive day cooling is a promising technology for the sustainable reduction of energy consumption. Researchers have now created a test system with which the materials used for passive cooling can be reliably characterized and compared -- regardless of weather conditions and environmental conditions. |
| Biodiversity survey reveals that more species are threatened with extinction than previously thought Posted: 18 Jul 2022 11:23 AM PDT A new survey attempts to fill some of the gaps in understanding by synthesizing the perspectives of thousands of biodiversity experts worldwide. The survey received 3,331 responses from scientists studying biodiversity in 187 countries, covering all major groups of species, habitats and ecosystems. |
| Posted: 18 Jul 2022 09:23 AM PDT Scientists have revealed a novel ADAR1-SIRT1-p16INK4a axis in regulating cellular senescence and its potential implications in tissue aging. |
| To keep up with evolving prey, rattlesnakes tap genetically diverse venom toolbox Posted: 18 Jul 2022 09:22 AM PDT A new study of rattlesnakes in the western U.S. sheds light on how the reptiles evolve over time to keep up with prey resistance to their venom. |
| How ultrathin polymer films can be used for storage technology Posted: 18 Jul 2022 09:22 AM PDT Precisely applied mechanical pressure can improve the electronic properties of a widely used polymer material. This requires that the material be mechanically processed to an accuracy of a few nanometers. In their new study, the researchers show how this previously unknown physical effect works and how it could also be used for new storage technologies. The team has also succeeded in sketching the coat of arms of the city of Halle as an electrical pattern with a spatial resolution of 50 nanometers in the material. |
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