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ScienceDaily: Earth & Climate News |
| Widespread coral-algae symbioses endured historical climate changes Posted: 26 May 2021 03:58 PM PDT One of the most important and widespread reef-building corals, known as cauliflower coral, exhibits strong partnerships with certain species of symbiotic algae, and these relationships have persisted through periods of intense climate fluctuations over the last 1.5 million years, according to a new study. |
| Unveiling what governs crystal growth Posted: 26 May 2021 03:58 PM PDT Crystals are wonders of nature and science with important applications in electronics and optics. Scientists have new insights into how gallium nitride crystals grow. Gallium nitride crystals are in wide use in light-emitting diodes (LEDs) and may form transistors for high-power switching electronics to make electric grids more energy efficient and smarter. |
| People prefer 'natural' strategies to reduce atmospheric carbon Posted: 26 May 2021 03:58 PM PDT A cross-disciplinary collaboration found that a majority of the U.S. public is supportive of soil carbon storage as a climate change mitigation strategy, particularly when that and similar approaches are seen as 'natural' strategies. |
| Salmon virus originally from the Atlantic, spread to wild Pacific salmon from farms Posted: 26 May 2021 12:02 PM PDT A new study traces the origins of Piscine orthoreovirus to Atlantic salmon farms in Norway and finds that the virus is now almost ubiquitous in salmon farms in British Columbia, Canada. |
| Study of promising photovoltaic material leads to discovery of a new state of matter Posted: 26 May 2021 12:01 PM PDT Researchers have gained new insight into the workings of perovskites, a semiconductor material that shows great promise for making high-efficiency, low-cost solar cells and a range of other optical and electronic devices. |
| Scientists find solution to measure harmful plastic particles in human sewage Posted: 26 May 2021 10:21 AM PDT Scientists have got up close and personal with human sewage to determine how best to measure hidden and potentially dangerous plastics. |
| Stormwater could be a large source of microplastics and rubber fragments to waterways Posted: 26 May 2021 10:21 AM PDT In cities, heavy rains wash away the gunk collecting on sidewalks and roads, picking up all kinds of debris. However, the amount of microplastic pollution swept away by this runoff is currently unknown. Now, researchers report that stormwater can be a large source of microplastics and rubber fragments to water bodies and, with a proof-of-concept experiment, show that a rain garden could keep these microscopic pieces out of a storm drain. |
| Geological riddle solved: Roof of the World has gotten higher Posted: 26 May 2021 10:21 AM PDT There has long been controversy about whether the world's highest region, Tibet, has grown taller during the recent geological past. New results indicate that the 'Roof of the World' appears to have risen by up to 600 meters and the answer was found in underwater lava. The knowledge sheds new light on Earth's evolution. |
| Scent trails could boost elephant conservation Posted: 26 May 2021 10:21 AM PDT Travelling elephants pay close attention to scent trails of dung and urine left by other elephants, new research shows. |
| Universal travel pattern across four continents Posted: 26 May 2021 08:56 AM PDT New research confirms people visit places more frequently when they have to travel shorter distances to get there. The study establishes a 'visitation law' and could help in urban planning. |
| Journey of PFAS in wastewater facilities highlights regulation challenges Posted: 26 May 2021 08:55 AM PDT Researchers have conducted two of the first studies in New England to collectively show that toxic human-made chemicals called PFAS (per-and polyfluoroalkyl substances), found in everything from rugs to product packaging, end up in the environment differently after being processed through wastewater treatment facilities -- making it more challenging to set acceptable screening levels. |
| Aquaculture turns biodiversity into uniformity along the coast of China Posted: 26 May 2021 08:55 AM PDT Fishery and aquaculture have given rise to an enormous uniformity in the diversity of bivalves along the more than 18,000 kilometer long Chinese coast, biologists report. |
| Warm ice may fracture differently than cold ice Posted: 26 May 2021 08:55 AM PDT Researchers have found strong evidence that warm ice - that is, ice very close in temperature to zero degrees Celsius - may fracture differently than the kinds of ice typically studied in laboratories or nature. A new study takes a closer look at the phenomenon. |
| What causes the deep Earth's most mysterious earthquakes? Posted: 26 May 2021 08:55 AM PDT The cause of Earth's deepest earthquakes has been a mystery to science for more than a century, but a team of scientists may have now cracked the case. New research provides evidence that fluids play a key role in deep-focus earthquakes -- which occur between 300 and 700 kilometers below the planet's surface. |
| Record-shattering 2020 trans-Atlantic dust storm Posted: 26 May 2021 08:55 AM PDT Researchers parsing the mechanism that in June 2020 transported a massive dust plume from Saharan Africa to the Caribbean and U.S. Gulf Coast. |
| A new 'gold standard' compound for generating electricity from heat Posted: 26 May 2021 08:54 AM PDT Researchers show in a new study that a single material, a layered crystal consisting of the elements rhenium and silicon, turns out to be the gold standard of transverse thermoelectric devices. |
| Small modular reactors competitive in Washington's clean energy future Posted: 26 May 2021 06:31 AM PDT A new report finds small modular reactors could provide competitively priced electricity in Washington state's future electricity market. |
| Slope stability model can help prevent landslides to protect communities and save lives Posted: 26 May 2021 06:31 AM PDT Researchers hope industry and governments worldwide will use the SSSAFE model to help early warning systems mitigate landslide risks |
| As water sources become scarce, understanding emerging subsurface contaminants is key Posted: 25 May 2021 07:16 AM PDT Researchers have developed a variety of models that can help assess how emerging contaminants disperse, dissolve and ultimately impact water quality and the resilience of aquifers. |
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