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ScienceDaily: Earth & Climate News |
| Lab earthquakes show how grains at fault boundaries lead to major quakes Posted: 07 Jun 2022 01:10 PM PDT In a 'seismological wind tunnel,' engineers demonstrate the impact of rock gouge -- ground-up rock along a fault boundary -- on earthquake propogation. |
| Scientists find new indicators of Alaska permafrost thawing Posted: 07 Jun 2022 09:10 AM PDT More areas of year-round unfrozen ground have begun dotting Interior and Northwest Alaska and will continue to increase in extent due to climate change, according to new research. |
| Death of bats at wind turbines interrupts natural food chains Posted: 07 Jun 2022 09:10 AM PDT The numerous casualties of bats at wind turbines (WT) have a negative impact on the populations of affected species and potentially far-reaching consequences for the biodiversity in rural areas. Until now, it could only be assumed that the death of bats had further consequences. Now, a team of scientists show that natural food chains are interrupted, which can have far-reaching negative consequences for agriculture and forestry. The study demonstrates the extent to which the functional importance of bats for habitats has been underestimated so far. |
| Earth's magnetic poles not likely to flip anytime soon Posted: 07 Jun 2022 09:09 AM PDT The emergence of a mysterious area in the South Atlantic where the geomagnetic field strength is decreasing rapidly, has led to speculation that Earth is heading towards a magnetic polarity reversal. However, a new study that pieces together evidence stretching back 9,000 years, suggests that the current changes aren't unique, and that a reversal may not be in the cards after all. |
| Data reveal 20-year transformation of Gulf of Maine Posted: 07 Jun 2022 09:09 AM PDT Two decades of research show a startling transformation of the Gulf of Maine. Many trends point to an overarching pattern: more warm, North Atlantic water is coming in and changing the foundation of the Gulf's food web. |
| Lessons from the past: How cold-water corals respond to global warming Posted: 07 Jun 2022 09:09 AM PDT Corals react to changes in their environment. This is true for tropical as well as cold-water corals and includes, among others, changes in temperature, salinity and pH values. Researchers have now investigated how warmer temperatures occurring as a result of climate change are affecting cold-water corals. For this purpose, they examined in detail how these corals have reacted to environmental changes over the past 20,000 years. |
| Earth-abundant solar pixels found to produce hydrogen for weeks Posted: 07 Jun 2022 09:09 AM PDT Devices made of readily available oxide and carbon-based materials can produce clean hydrogen from water over weeks -- according to new research. The findings could help overcome one of the key issues in solar fuel production, where current earth-abundant light-absorbing materials are limited through either their performance or stability. |
| New study deepens understanding of how animals see, and what colors Posted: 06 Jun 2022 11:54 AM PDT Gathering vision data for hundreds of vertebrates and invertebrates, biologists have deepened scientists' understanding of animal vision, including the colors they see. The researchers determined that animals adapted to land are able to see more colors than animals adapted to water. Animals adapted to open terrestrial habitats see a wider range of colors than animals adapted to forests. |
| Cover crops not enough to improve soil after decades of continuous corn Posted: 06 Jun 2022 11:54 AM PDT Although about 20% of Illinois cropping systems are planted to continuous corn, it's nearly impossible to find fields planted this way for decades at a time. Yet long-term experiments, including over 40 years of continuous corn under different nitrogen fertilizer rates, provide incredible learning opportunities and soil management lessons for researchers and farmers alike. |
| Posted: 06 Jun 2022 10:44 AM PDT Many of us try to repress the thought of them, while others have come to accept them. Whatever your take on parasites is, they can tell scientists a lot about ecology, health and the environment. |
| Textile filter testing shows promise for carbon capture Posted: 06 Jun 2022 10:44 AM PDT Researchers found they could filter carbon dioxide from air and gas mixtures at promising rates using a proposed new textile-based filter that combines cotton fabric and an enzyme called carbonic anhydrase -- one of nature's tools for speeding chemical reactions. |
| How a knee replacement impacts the planet Posted: 06 Jun 2022 10:44 AM PDT Researchers are quantifying the effects of healthcare on the environment, specifically the particularly waste-heavy and energy-intensive specialty of orthopedic surgery. The researchers reviewed existing literature and found that while data is still sparse, efforts to reduce the carbon footprint of orthopedic surgery could make a huge impact. |
| Including all types of emissions shortens timeline to reach Paris Agreement temperature targets Posted: 06 Jun 2022 08:15 AM PDT Looking beyond carbon dioxide emissions to include other human-generated pollutants, like methane, nitrogen oxide and particulate pollution, changes the picture for how much warming is already 'baked in' to the climate system. Earth will continue to warm even if all emissions cease, and Earth will be committed to reaching peak temperatures about five to 10 years before experiencing them. |
| Beyond 'plant trees!': Research finds tree plantations encroaching on essential ecosystems Posted: 06 Jun 2022 08:15 AM PDT Trees planted in the tropics as part of nations' reforestation commitments can have unintended consequences, sometimes degrading biodiversity hotspots, damaging ecosystems like grasslands, or encroaching on protected areas. |
| New model finds best sites for electric vehicle charging stations Posted: 06 Jun 2022 07:56 AM PDT Researchers have developed a computational model that can be used to determine the optimal places for locating electric vehicle charging facilities, as well as how powerful the charging stations can be without placing an undue burden on the local power grid. |
| Red pandas face a fractured future Posted: 06 Jun 2022 07:56 AM PDT The much-loved red panda is renowned for its tree-climbing ability and adorable nature, but new research shows the endangered mammal is being driven closer to extinction. |
| Molecular mechanism behind migration revealed in salt-seeking worms Posted: 06 Jun 2022 07:56 AM PDT Researchers have uncovered the molecular mechanism responsible for turning migratory actions on and off in nematode worms. The team found that the protein syntaxin plays a vital role in storing memory in the nervous system, and that altering it can affect the migratory behavior of nematodes. This line of research could one day help us better understand the migratory behavior of larger species such as mammals. |
| Power up: New polymer property could boost accessible solar power Posted: 06 Jun 2022 06:15 AM PDT Researchers have observed structural chirality, a biological property important to photosynthesis, emerging in achiral conjugated polymers. Their discovery could help enhance flexible solar cell design and increase access to affordable renewable energy. |
| The weird musical dynamics of a lava lake on Kilauea volcano Posted: 01 Jun 2022 11:28 AM PDT Before its big burst in 2018, Kilauea spent ten years erupting more gently. Research gives new insights into the volcano's longstanding lava lake, one feature of this eruption. |
| India's relic forests reveal a new species of leopard gecko Posted: 01 Jun 2022 08:17 AM PDT Deep in the forests of Odisha and Andhra Pradesh in India lives Eublepharis pictus, also known as the Painted Leopard Gecko -- a colourful gecko species that only now revealed its true identity. Previously confused with a similar species, the Painted Leopard Gecko is already under a threat of extinction, as it is being collected for the pet trade and may even be smuggled illegally. |
| At least 2,000 species of reptiles are threatened, study finds Posted: 01 Jun 2022 06:22 AM PDT A new study has found that 21 percent of the reptile species on Earth (one in five species), amounting to a total of about 2,000 species, are threatened with extinction. Experts estimate that there are over 12,000 species of reptiles in the world. |
| How diverse microbial communities remain stable Posted: 31 May 2022 07:26 AM PDT Understanding the underlying interactions in ecosystems is important for preserving both human health and the environment. A new study, which calculated the level of connectivity in the ecosystems of bacterial communities, supports an old theory: In nature, ecosystems have few species with strong bonds, or many species with weak bonds -- just like a coalition. |
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