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ScienceDaily: Earth & Climate News |
| California's trees are dying, and might not be coming back Posted: 14 Jul 2022 02:55 PM PDT The State of California is banking on its forests to help reduce planet-warming carbon dioxide in the atmosphere. But that element of the state's climate-change solution arsenal may be in jeopardy, as new research reports that trees in California's mountain ranges and open spaces are dying from wildfires and other pressures -- and fewer new trees are filling the void. |
| Music-making and the flow of aerosols Posted: 14 Jul 2022 01:58 PM PDT If simply breathing can spread the SARS-CoV-2 virus to others nearby, what about blowing into a tuba? Researchers used fluid mechanics to study the movement of aerosols generated by professional musicians. |
| Geological activity can rapidly change deep microbial communities Posted: 14 Jul 2022 11:51 AM PDT New research reveals that, rather than being influenced only by environmental conditions, deep subsurface microbial communities can transform because of geological movements. The findings advance our understanding of subsurface microorganisms, which comprise up to half of all living material on the planet. |
| DNA from ancient population in Southern China suggests Native Americans' East Asian roots Posted: 14 Jul 2022 11:50 AM PDT For the first time, researchers successfully sequenced the genome of ancient human fossils from the Late Pleistocene in southern China. The data suggests that the mysterious hominin belonged to an extinct maternal branch of modern humans that might have contributed to the origin of Native Americans. |
| Trade deals and changing diets key influencers in securing nutrient rich food Posted: 14 Jul 2022 11:50 AM PDT Research shows future choices about trade, diet and climate change will be crucial in securing micronutrient food supplies for the UK. |
| North American birds not fully adjusting to changing climate Posted: 14 Jul 2022 11:50 AM PDT Some species of birds in North America have not fully adjusted their distributions in response to ongoing climate change. The places these birds live have become more decoupled from their optimal climate conditions, while other features of the environment become more constraining. This trend of climate decoupling is more pronounced for habitat specialists and for species declining in abundance. |
| Coastal glacier retreat linked to climate change Posted: 14 Jul 2022 11:50 AM PDT The world's coastal glaciers are melting faster than ever. New research gives scientists a way to unravel the causes of glacial retreat, and in turn, reveal how much can be attributed to human-caused climate change. Attributing the human role for coastal glaciers -- which melt directly into the sea -- could pave the way to better predictions about sea level rise. |
| Posted: 14 Jul 2022 11:50 AM PDT A novel three-dimensional model of the fluid stored deep in Earth's crust along the Cascadia Subduction Zone provides new insight into how the accumulation and release of those fluids may influence seismic activity in the region. |
| Researchers develop computer model to predict whether a pesticide will harm bees Posted: 13 Jul 2022 12:28 PM PDT Researchers have harnessed the power of artificial intelligence to help protect bees from pesticides. |
| Scientists discover 'future-proof' method using bacteria to remove phosphorus from wastewater Posted: 13 Jul 2022 08:46 AM PDT Scientists have developed a technique to remove phosphorus from wastewater at higher temperatures than is possible using existing techniques, by using bacteria to store the chemical. |
| This is how water fleas defend themselves against carnivorous plants Posted: 13 Jul 2022 08:46 AM PDT Fleas are only a few millimeters in size. But they do have a whole arsenal of defenses -- even against aggressive plants. |
| Longer lasting sodium-ion batteries on the horizon Posted: 13 Jul 2022 08:46 AM PDT A new longer-lasting sodium-ion battery design is much more durable and reliable in lab tests. After 300 charging cycles, it retained 90 percent of its charging capacity. |
| Study confirms lead-in-water causes adverse fetal health outcomes Posted: 13 Jul 2022 08:46 AM PDT Health economics researchers have confirmed a causal relationship between lead-in-water and adverse fetal health outcomes. Although many studies have found a correlation between lead exposure and health, a causal link had been lacking in the literature -- until now. |
| Urban environments with more vegetation are associated with better health behaviors in children Posted: 13 Jul 2022 08:46 AM PDT Urban areas with more vegetation, higher density of buildings and facilities, lower population density and without major roads are associated with better health behaviors in children, according to new research. |
| Environmental stability on Earth allowed marine biodiversity to flourish Posted: 13 Jul 2022 08:45 AM PDT Modern ocean biodiversity, which is at its highest level ever, was achieved through long-term stability of the location of so-called biodiversity hotspots, regions of especially high numbers of species, scientists have found. |
| Impact of changing climate on Andean glaciers in sync with polar ice Posted: 13 Jul 2022 08:45 AM PDT Scientists have shown that glaciers in the tropical Andes mountains have been in sync with polar ice extent in Antarctica and the Arctic for nearly a million years. A new study shows that the effects of greenhouse gases and other drivers of the Earth's temperature are impacting glaciers in the Southern Hemisphere at the same pacing as ice sheets in the north. |
| Have Antillean manatees crossed the Panama Canal? Posted: 12 Jul 2022 11:13 AM PDT Over half a century ago, a group of manatees from Bocas del Toro was flown into the artificial Gatun Lake to control the abundance of aquatic plants and for public health reasons. Where are they now? |
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