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ScienceDaily: Top Environment News |
Artificial energy source for muscle Posted: 13 Jul 2020 01:55 PM PDT Muscle physiologist sought an alternative energy source to replace the body's usual one, adenosine triphosphate (ATP). Such a source could control muscle activity, and might lead to new muscle spasm-calming treatments in cerebral palsy, for example, or activate or enhance skeletal muscle function in MS, ALS and chronic heart failure. They report this month that they have made a series of synthetic compounds to serve as alternative energy sources for the muscle protein myosin. |
Lasers etch an efficient way to address global water crisis Posted: 13 Jul 2020 12:49 PM PDT Researchers use sunlight and a laser-etched metal surface to evaporate and purify water for safe drinking at greater than 100 percent efficiency. The method could help relieve water shortages in drought-stricken areas and be helpful in water desalinization projects. |
Pickled capers activate proteins important for human brain and heart health Posted: 13 Jul 2020 11:44 AM PDT A compound commonly found in pickled capers has been shown to activate proteins required for normal human brain and heart activity, and may even lead to future therapies for the treatment of epilepsy and abnormal heart rhythms. |
When calling loudly, echolocation is costly for small bats Posted: 13 Jul 2020 10:34 AM PDT Calling in the ultrasonic range enables small bats to orient themselves in the dark and track down insects. Louder calls travel farther, improving a bat's ability to detect their prey. It was long assumed that echolocation does not contribute much to energy expenditure in flight because individuals couple their calls with the beat of their wings. Scientists have now shown that high intensity echolocation calls substantially contribute to energy expenditure. |
Bird droppings carry risk of antibiotic resistance Posted: 13 Jul 2020 10:34 AM PDT Engineers analyze the droppings of urban birds and show persistent levels of antibiotic-resistant genes and bacteria that may be transferred to humans through the environment. |
Climate change will cause more extreme wet and dry seasons Posted: 13 Jul 2020 09:54 AM PDT The world can expect more rainfall as the climate changes, but it can also expect more water to evaporate, complicating efforts to manage reservoirs and irrigate crops in a growing world, according to new research. |
Biosignatures may reveal a wealth of new data locked inside old fossils Posted: 13 Jul 2020 09:00 AM PDT Step aside, skeletons -- a new world of biochemical ''signatures'' found in all kinds of ancient fossils is revealing itself to paleontologists, providing a new avenue for insights into major evolutionary questions. |
Bat research critical to preventing next pandemic Posted: 13 Jul 2020 07:43 AM PDT The current SARS-CoV-2 pandemic has a likely connection to bats, and the next viral outbreak probably will too. A recent review calls for more research into bats' molecular biology and their ecology, to help predict, and hopefully prevent, the next pandemic. |
Parasite infestations revealed by tiny chicken backpacks Posted: 13 Jul 2020 07:43 AM PDT Blood-feeding livestock mites can be detected with wearable sensor technology nicknamed ''Fitbits for chickens.'' To help farmers detect mite infestations, a team of entomologists, computer scientists, and biologists has created a new insect detection system. |
Engineered llama antibodies neutralize COVID-19 virus Posted: 13 Jul 2020 07:43 AM PDT Antibodies derived from llamas have been shown to neutralise the SARS-CoV-2 virus in lab tests, researchers have found. They hope the antibodies -- known as nanobodies due to their small size -- could eventually be developed as a treatment for patients with severe COVID-19. |
Genetic differences between global American Crocodile populations identified in DNA analysis Posted: 13 Jul 2020 07:43 AM PDT A genetic analysis of the American crocodile (Crocodylus acutus) has re-established our understanding of its population structure, aiding its conservation. |
New method solves old mystery: Hafnium isotopes clinch origin of high-quality Roman glass Posted: 09 Jul 2020 07:51 AM PDT Archaeological glass contains information about the movement of goods and ancient economies, yet the understanding of critical aspects of the ancient glass industry is fragmentary. Until now, it has been challenging to scientifically determine the origin of the colourless and clear glass, which was particularly favoured by the Romans. The Romans distinguished between two types of clear glass: Alexandrian and Levantine. Now researchers have found a way to localize the furnaces of the two types. |
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