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ScienceDaily: Earth & Climate News |
| Smoke from nuclear war would devastate ozone layer, alter climate Posted: 13 Oct 2021 02:40 PM PDT The massive columns of smoke generated by a nuclear war would alter the world's climate for years and devastate the ozone layer, endangering both human health and food supplies, new research shows. The international study draws on newly developed computer climate modeling techniques to paint an even grimmer picture of a global nuclear war's aftermath than previous analyses. |
| Underwater gardens boost coral diversity to stave off ‘biodiversity meltdown’ Posted: 13 Oct 2021 12:22 PM PDT Researchers are building symbiotic 'underwater gardens' in the Pacific Ocean to show how different species of coral can work together to possibly restore degraded reefs. |
| Leprosy confirmed in wild chimpanzees Posted: 13 Oct 2021 08:40 AM PDT Leprosy has been found in wild chimpanzees. Researchers have confirmed cases of the disease among two unconnected West African populations of chimpanzees, in Guinea-Bissau and the Ivory Coast. |
| Crafting a 'sponge' for adsorbing and desorbing gas molecules Posted: 13 Oct 2021 08:40 AM PDT A group of researchers have created an unusual material -- a soft crystal made of molecules known as a catenanes-- that behaves in a novel way that could be used in applications such as films that capture carbon dioxide molecules. |
| Increases in extreme humid-heat disproportionately affect populated regions Posted: 13 Oct 2021 07:46 AM PDT The world is not only getting hotter but also more humid and new research shows people living in areas where humid-heat extremes are already a significant hazard are bearing the brunt of the impact. |
| A new single-atom catalyst can produce hydrogen from urea at an exceptional rate Posted: 13 Oct 2021 07:46 AM PDT A new single-atom catalyst can produce hydrogen from urea at an exceptional rate. Liquid nitrogen quenching introduces tensile-strain on the surface of oxide support, stabilizing ultra-high loading of single metal atom sites. |
| Posted: 13 Oct 2021 07:46 AM PDT The targeted manipulation of individual genes in zebrafish larvae changes their behavioral responses to visual stimuli and thus affects the collective behavior of the animals. |
| Lack of power grids sealed fate for early electric cars Posted: 13 Oct 2021 07:46 AM PDT New research shows that insufficient infrastructure was key in American car manufacturers choosing gasoline cars over electric cars in the early 20th century. If electricity grids had spread just 15 or 20 years earlier, a majority of producers would have likely opted for electric cars, according to the study. |
| Fewer frogs died by vehicles in the outset of the pandemic, study finds Posted: 13 Oct 2021 07:46 AM PDT Researchers discovered that 50 percent fewer frogs died from vehicle collisions in Maine in spring 2020, when the COVID-19 pandemic began, that during the season in other recent years. They also found a broader decline in animal road fatalities in spring 2020, but not noble change in vehicle-related mortality among salamanders. |
| Illegal and unsustainable wildlife trade is affecting all of us – what can we do about it? Posted: 13 Oct 2021 07:46 AM PDT Illegal or unsustainable wildlife trade affects biodiversity, ecosystem services, people's livelihood, and economies all over the world. Worldwide experts warn about the perils related to this activity and provide a roadmap for curbing its growth. |
| Popular theory of Native American origins debunked by genetics and skeletal biology Posted: 13 Oct 2021 05:16 AM PDT A widely accepted theory of Native American origins coming from Japan has been attacked in a new scientific study, which shows that the genetics and skeletal biology 'simply does not match-up.' |
| Cracking the case of how one of the earliest predators hunted Posted: 12 Oct 2021 12:47 PM PDT Early in animal evolution, complex life was mostly limited to the sea floor. But a few organisms evolved to move through the water, giving them a big competitive advantage over those left scuttling around in the mud. |
| Posted: 12 Oct 2021 12:47 PM PDT Coastal regions and small ocean islands face significant risks from rising sea levels due to climate change, because waters can flood and inundate low-lying land surfaces. |
| Helping coral reefs survive under climate change Posted: 12 Oct 2021 10:07 AM PDT A biologist calls for extending the natural adaptive capacity of corals through nature-based approaches. |
| Winds of change: Improvements for wind energy production Posted: 12 Oct 2021 08:23 AM PDT In recent years, much progress has been made in the wind energy industry as the cost of development has declined significantly with emerging technologies and incentive policies. Nevertheless, wind farms can be made more efficient. Researchers now examine diurnal and seasonal patterns of wind speeds and their impact on the adequacy of energy production. The results helped them develop a seasonal adequacy assessment procedure. |
| Challenging the Big Bang puzzle of heavy elements Posted: 12 Oct 2021 08:22 AM PDT It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang, and that supernova explosions are responsible for transmuting these elements into heavier ones. Researchers are now challenging this and propose an alternative model for the formation of nitrogen, oxygen, and water based on the history of Earth's atmosphere. They postulate that the 25 elements with atomic numbers smaller than iron were created via an endothermic nuclear transmutation of two nuclei, carbon and oxygen. |
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