ScienceDaily: Earth & Climate News |
| Fluid flow stimulates chemosynthesis in a Greek salad of hydrothermal microbes Posted: 22 Apr 2022 08:47 AM PDT A new study uses an innovative approach to examine a shallow-water hydrothermal system and the production of microbes there in situ and near natural conditions as a model to assess the importance of hydrothermal fluid circulation on chemosynthesis. |
| Water processing: Light helps degrade hormones Posted: 22 Apr 2022 06:43 AM PDT Micropollutants in water often are hormones that accumulate in the environment and may have negative impacts on humans and animals. Researchers have now developed a process for the photocatalytic degradation of these pollutants when they flow through polymer membranes. Irradiation with light triggers a chemical reaction, as a result of which steroid hormones are degraded on the membranes coated with titanium dioxide. |
| Lesser known ozone layer's outsized role in planet warming Posted: 22 Apr 2022 06:43 AM PDT New research has identified a lesser-known form of ozone playing a big role in heating the Southern Ocean -- one of Earth's main cooling systems. |
| Deepest sediment core collected in the Atlantic Ocean Posted: 21 Apr 2022 03:12 PM PDT A team of scientists, engineers, and ship's crew on the research vessel Neil Armstrong operated by the Woods Hole Oceanographic Institution (WHOI) recently collected a 38-foot-long cylindrical sediment sample from the deepest part of the Puerto Rico Trench, nearly 5 miles below the surface. |
| New algorithm could simplify decisions for ship channel dredging Posted: 21 Apr 2022 03:12 PM PDT Every ship channel has to be dredged. With high costs involved, a dredging project's managers have to be on the money in their timing and logistics choices. A new algorithm presents decision-makers with accurate context, comparisons and boots-on-the ground observations. |
| Kauai's 2018 record-setting rain caused by a series of supercell thunderstorms Posted: 21 Apr 2022 03:12 PM PDT A record-setting rainstorm over Kaua'i, Hawai'i in April 2018 resulted in severe flash flooding and estimated damage of nearly $180 million. The deluge damaged or destroyed 532 homes, and landslides left people along Kaua'i's north coast without access to their homes. Atmospheric scientists have now revealed that severe supercell thunderstorms were to blame. |
| Nylon cooking bags, plastic-lined cups can release nanoparticles into liquids Posted: 21 Apr 2022 12:41 PM PDT Nylon cooking bags and plastic-lined cardboard cups are conveniences many people rely on, but a new study suggests that they are an underappreciated source of nanoparticles. They report that the plastic in these products release trillions of nanometer-sized particles into each liter of water that they come in contact with. That sounds like a lot, but the team notes that these levels are under the regulatory limits for consumption. |
| Study finds offshore wind could drive down energy costs in New England, US Posted: 21 Apr 2022 12:41 PM PDT While wind power is expected to be a 'saving grace' during extreme winter storms, researchers wanted to look at whether storms could also disrupt power supplies and drive up prices. |
| Uncovering the secret of ternary polymer solar cell success Posted: 21 Apr 2022 11:16 AM PDT A research team has used electron spin resonance spectroscopy to investigate a polymer solar cell while in operation. Molecular level comparison of the PTzBT/PC61BM system with and without added ITIC allowed them to establish the mechanism for the improvements in stability and power conversion efficiency observed when ITIC is added. It is hoped that this insight will contribute to the commercial realization of cost-effective flexible polymer solar cells. |
| Posted: 21 Apr 2022 11:16 AM PDT A study has found that living in a tree-filled environment is associated with better early childhood development than living in an environment where vegetation takes the form of grass cover. The analysis also found that both varieties of green space are associated with better child development outcomes than areas dominated by paved surfaces. |
| Strategy for highly efficient and stable perovskite solar cells Posted: 21 Apr 2022 11:15 AM PDT A research has developed new, highly efficient and stable perovskite solar cells. The breakthrough invention is expected to greatly accelerate the commercialization of perovskite photovoltaic technology, providing a promising alternative to silicon solar cells. |
| Cheaper solar cells could be on the way thanks to new materials Posted: 21 Apr 2022 11:15 AM PDT New solar cell devices that are cheaper and easier to make could soon make their way to market thanks to new materials. |
| A midge fly can be a source of currently used pesticides for birds, bats Posted: 20 Apr 2022 06:22 AM PDT Non-biting midges are the tiny flies that swarm together as thick masses around lakes and streams, annoying passers-by in warm weather. But early in a midge's life, it lives in the water. Now, researchers have observed that non-biting midge larvae accumulate contemporary pesticides from polluted water and retain the substances into adulthood. As a result, animals that eat the adult flies could consume small amounts of pesticides daily. |
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