ScienceDaily: Earth & Climate News |
| High school junior's consumer seismometer delivers low-cost earthquake early warning Posted: 23 Apr 2021 10:02 AM PDT A Southern California high school junior has built a low-cost seismometer device that delivers earthquake early warnings for homes and businesses. Costing less than $100 for her to make today, the seismometer could someday be a regular household safety device akin to a smart smoke detector. |
| Fiber optic cable monitors microseismicity in Antarctica Posted: 23 Apr 2021 10:02 AM PDT Researchers shared how they are using fiber optic cable to detect the small earthquakes that occur in ice in Antarctica. |
| DeepShake uses machine learning to rapidly estimate earthquake shaking intensity Posted: 23 Apr 2021 10:02 AM PDT A deep spatiotemporal neural network trained on more than 36,000 earthquakes offers a new way of quickly predicting ground shaking intensity once an earthquake is underway, researchers report. |
| Radar satellites can better protect against bushfires and floods Posted: 23 Apr 2021 05:57 AM PDT New research has revealed how radar satellites can improve the ability to detect, monitor, prepare for and withstand natural disasters in Australia including bushfires, floods and earthquakes. |
| Machine learning model generates realistic seismic waveforms Posted: 22 Apr 2021 03:18 PM PDT A new machine-learning model that generates realistic seismic waveforms will reduce manual labor and improve earthquake detection, according to a new study. |
| Genetic effects of Chernobyl radiation Posted: 22 Apr 2021 12:04 PM PDT Researchers utilized genomic tools to investigate potential health effects of exposure to ionizing radiation, a known carcinogen, as a result of the 1986 Chernobyl accident. One study found no evidence that genetic changes associated with radiation exposure are passed to children, while the second study documented the genetic changes in the tumors of people who developed thyroid cancer after being exposed as children or fetuses to the radiation released by the accident. Findings are being published close to the 35th anniversary of the Chernobyl disaster. |
| Scientists uncover structure of light-driven enzyme with potential biofuel applications Posted: 22 Apr 2021 12:04 PM PDT Although many organisms capture and respond to sunlight, enzymes - proteins that catalyze biochemical reactions - are rarely driven by light. A new study captures the full cycle of complex structural changes in an enzyme called FAP as it transforms a fatty acid into alkanes or alkenes. |
| Mars has right ingredients for present-day microbial life beneath its surface, study finds Posted: 22 Apr 2021 12:04 PM PDT New research suggests that rocks in the Martian crust could produce the same kind of chemical energy that supports microbial life deep beneath Earth's surface. |
| 3D printed models provide clearer understanding of ground motion Posted: 22 Apr 2021 09:36 AM PDT It seems like a smooth slab of stainless steel, but look a little closer, and you'll see a simplified cross-section of the Los Angeles sedimentary basin. Researchers are printing 3D models like the metal Los Angeles proxy to provide a novel platform for seismic experiments. |
| Plant provenance influences pollinators Posted: 22 Apr 2021 07:28 AM PDT Insect decline poses challenges for the pollination of wild and cultivated plants. Landscape ecologists have now discovered that the diversity of insects that interact with plant communities is influenced not only by plant species but also by the geographical provenance of seeds. |
| Unlocking Australia's biodiversity, one dataset at a time Posted: 22 Apr 2021 07:28 AM PDT The Atlas of Living Australia (ALA) - Australia's national biodiversity database - uses cutting-edge digital tools to let people share, access and analyze data about local plants, animals and fungi, as well as environmental data like rainfall and temperature. |
| How is a molecular machine assembled? Posted: 22 Apr 2021 06:39 AM PDT The conversion of light into chemical energy by plants and photosynthetic microorganisms is one of the most important processes in nature, removing climate-damaging CO2 from the atmosphere. Protein complexes, so-called photosystems, play the key role in this process. An international research team shed light for the first time on the structure and function of a transition state in the synthesis of photosystem II. |
| Dating in a jungle: Female praying mantises jut out weird pheromone gland to attract mates Posted: 21 Apr 2021 09:46 AM PDT Praying mantises are bizarre insects, yet many aspects of their biology remain unknown. Meanwhile, scientists have discovered that females of a South American species protrude a Y-shaped organ on their backs to release pheromones and attract males. |
| Microplastics affect global nutrient cycle and oxygen levels in the ocean Posted: 21 Apr 2021 09:45 AM PDT The effects of the steadily increasing amount of plastic in the ocean are complex and not yet fully understood. Scientists have now shown for the first time that the uptake of microplastics by zooplankton can have significant effects on the marine ecosystem even at low concentrations. The study indicates that the resulting changes may be responsible for a loss of oxygen in the ocean beyond that caused by global warming. |
| Research team argues for combining organic farming and genetic engineering Posted: 21 Apr 2021 09:45 AM PDT For more sustainability on a global level, EU legislation should be changed to allow the use of gene editing in organic farming, experts urge. |
| Gaps in genetic knowledge affect kiwi conservation efforts Posted: 21 Apr 2021 05:28 AM PDT Kiwi are iconic birds that have been severely impacted by deforestation and predation from invasive mammals since the arrival of humans in New Zealand. The remaining kiwi can be split into 14 clusters that are now treated as separate conservation management units. A review examines the latest information on kiwi genetics to investigate the legitimacy for maintaining these differences. |
| Ten ways to ensure bees benefit from the solar power boom Posted: 20 Apr 2021 09:14 AM PDT Researchers assessing the impact of solar energy development across Europe have come up with ten ways in which the expansion of solar can be shaped to ensure pollinators benefit. |
| Researchers use AI to empower environmental regulators Posted: 19 Apr 2021 03:21 PM PDT Monitoring environmental compliance is a particular challenge for governments in poor countries. A new machine learning approach that uses satellite imagery to pinpoint highly polluting brick kilns in Bangladesh could provide a low-cost solution. |
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