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ScienceDaily: Earth & Climate News |
| Microbes can degrade the toughest PFAS Posted: 23 May 2022 01:28 PM PDT Engineers now report selective breakdown of a particularly stubborn class of PFAS called fluorinated carboxylic acids (FCAs) by common microorganisms. Under anaerobic conditions, a carbon-carbon double bond is crucial for the shattering the ultra-strong carbon-fluorine bond by microbial communities. The resulting products could be relayed to other microorganisms for defluorination under in aerobic conditions. |
| Low-cost gel film can pluck drinking water from desert air Posted: 23 May 2022 01:28 PM PDT Researchers developed a low-cost gel film made of abundant materials that can pull drinkable water from the air in even the driest climates. |
| Researchers have developed a potential super wheat for salty soils Posted: 23 May 2022 12:06 PM PDT Researchers have developed several new varieties of wheat that tolerate soils with higher salt concentrations. After having mutated a wheat variety from Bangladesh, they now have a wheat with seeds that weigh three times more and that germinate almost twice as often as the original variety. |
| Air pollution linked to deadly heart rhythm disorder Posted: 23 May 2022 12:06 PM PDT Life-threatening arrhythmias are more common on days with highly polluted air, according to new research. |
| Small adaptations, major effect: Researchers study potential of future public transportation Posted: 23 May 2022 12:06 PM PDT Being mobile individually, at any time -- without owning a car: To facilitate this, public transportation authorities cooperate with service providers for new forms of mobility such as bicycle sharing, car sharing, or ridepooling. Researchers have studied how publicly available mobility options in the Karlsruhe region in the future can optimally fulfill the citizens' needs. The result: Widespread availability of pooling and sharing services and improved public transportation will profit both -- and reduce car traffic. |
| Bacteria can live in snake and spider venoms Posted: 23 May 2022 10:50 AM PDT Newly published research shows that, contrary to what is commonly believed, the venom of snakes and spiders is actually populated with microbes, including bacteria that could cause infection in people who have suffered a bite. |
| Gene-edited tomatoes could be a new source of vitamin D Posted: 23 May 2022 08:55 AM PDT Tomatoes gene-edited to produce vitamin D, the sunshine vitamin, could be a simple and sustainable innovation to address a global health problem. |
| Skydiving salamanders live in world's tallest trees Posted: 23 May 2022 08:55 AM PDT Researchers have documented in a vertical wind tunnel the amazing ability of one species of salamander -- which spends its entire life in the tops of redwoods -- to parachute, glide and maneuver in mid-air. Ground-dwellers, on the other hand, freak out during free-fall. The salamander's skydiving skills are likely a way to steer back to a tree it has fallen or jumped from to avoid terrestrial predators. |
| Watching corals breathe: Simultaneously measuring flow and oxygen Posted: 23 May 2022 08:55 AM PDT An international research team has developed tiny particles that measure the oxygen concentration in their surroundings. In this way, they can track fluid flow and oxygen content at the same time -- exciting prospects for many fields of research, from biology to physics. |
| New tech aims to drive down costs of hydrogen fuel Posted: 23 May 2022 08:54 AM PDT Researchers have developed a new technique for extracting hydrogen gas from liquid carriers which is faster, less expensive and more energy efficient than previous approaches. |
| Hydrogen production method opens up clean energy possibilities Posted: 23 May 2022 08:49 AM PDT A new energy-efficient way to produce hydrogen gas from ethanol and water has the potential to make clean hydrogen fuel a more viable alternative for gasoline to power cars. |
| Human-made iron inputs to the Southern Ocean ten times higher than previously estimated Posted: 23 May 2022 07:22 AM PDT The supply of iron from the atmosphere to the ocean in the Southern Ocean region is projected to decline significantly, which may have unexpected consequences for the future climate. |
| Monitoring the 'journey' of microplastics through the intestine of a living organism Posted: 23 May 2022 07:22 AM PDT A UAB research team has managed to track the behaviour of microplastics during their 'journey' through the intestinal tract of a living organism and illustrate what happens along the way. The study, carried out on Drosophila melanogaster using electron microscopy equipment developed by the researchers themselves, represents a significant step towards a more precise analysis of the health risks of being exposed to these pollutants. |
| New measurements from Northern Sweden show less methane emissions than feared Posted: 23 May 2022 07:22 AM PDT It is widely understood that thawing permafrost can lead to significant amounts of methane being released. However, new research shows that in some areas, this release of methane could be a tenth of the amount predicted from a thaw. A crucial, yet an open question is how much precipitation the future will bring. |
| Multiple habitats need protecting to save UK bumblebees, finds 10-year citizen science study Posted: 23 May 2022 06:33 AM PDT A study using 10 years of citizen science data has found that a variety of targeted conservation approaches are needed to protect UK bumblebee species. |
| California shellfish farmers adapt to climate change Posted: 23 May 2022 06:33 AM PDT Researchers interviewed California shellfish growers to find out how they perceive ocean acidification, and to learn what strategies they think will help their operations adapt to changing environmental conditions. |
| Lost or extinct? Study finds the existence of more than 500 animal species remains uncertain Posted: 19 May 2022 12:01 PM PDT An international study provides the first global evaluation of all terrestrial vertebrate species that have not been declared extinct and identifies more than 500 species considered to be 'lost' -- those that haven't been seen by anyone in more than 50 years. |
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