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ScienceDaily: Latest Science News |
| Powerful family of two-dimensional materials discovered Posted: 06 May 2022 11:11 AM PDT A team has developed a new family of two-dimensional materials that researchers say has great potential for many applications such as batteries and supercapacitors, catalysis, sensors and electronics. |
| Saving the Mekong delta from 'drowning' Posted: 06 May 2022 11:11 AM PDT Southeast Asia's most productive agricultural region and home to 17 million people could be mostly underwater within a lifetime. Saving the Mekong River Delta requires urgent, concerted action among countries in the region to lessen the impact of upstream dams and better manage water and sediments within the delta, according to an international team of researchers who outline solutions to the region's dramatic loss of sediment essential to nourishing delta land. |
| In balance: Quantum computing needs the right combination of order and disorder Posted: 06 May 2022 08:33 AM PDT Researchers have analyzed cutting-edge device structures of quantum computers to demonstrate that some of them are indeed operating dangerously close to a threshold of chaotic meltdown. The challenge is to walk a thin line between too high, but also too low disorder to safeguard device operation. |
| 'Digital twins,' an aid to give individual patients the right treatment at the right time Posted: 06 May 2022 07:26 AM PDT An international team of researchers have developed advanced computer models, or 'digital twins', of diseases, with the goal of improving diagnosis and treatment. They used one such model to identify the most important disease protein in hay fever. The study underlines the complexity of disease and the necessity of using the right treatment at the right time. |
| 'Stressed' cells offer clues to eliminating build-up of toxic proteins in dementia Posted: 06 May 2022 07:26 AM PDT It's often said that a little stress can be good for you. Now scientists have shown that the same may be true for cells, uncovering a newly-discovered mechanism that might help prevent the build-up of tangles of proteins commonly seen in dementia. Scientists have identified a new mechanism that appears to reverse the build-up of aggregates, not by eliminating them completely, but rather by 'refolding' them. |
| Self-propelled, endlessly programmable artificial cilia Posted: 05 May 2022 05:59 PM PDT Researchers have developed a single-material, single-stimuli microstructure that can outmaneuver even living cilia. These programmable, micron-scale structures could be used for a range of applications, including soft robotics, biocompatible medical devices, and even dynamic information encryption. |
| Invasive species and climate change impact coastal estuaries Posted: 05 May 2022 03:09 PM PDT Native species in California's estuaries are expected to experience greater declines as invasive species interact with climate change, according to a new study. |
| Recurrent UTIs linked to gut microbiome, chronic inflammation Posted: 05 May 2022 03:09 PM PDT A study suggests that women who get recurrent urinary tract infections (UTIs) may be caught in a vicious cycle in which antibiotics given to eradicate one infection predispose them to develop another. |
| Land-building marsh plants are champions of carbon capture Posted: 05 May 2022 03:09 PM PDT Human activities such as marsh draining for agriculture are increasingly eating away at saltwater and freshwater wetlands that cover only 1% of Earth's surface but store more than 20% of all carbon dioxide absorbed by ecosystems worldwide. A new study shows that it's not too late to reverse the losses if we use innovative restoration practices that replicate natural landscape-building processes that enhance the restored wetlands' carbon-storing potential. |
| Patient-derived micro-organospheres enable cutting-edge precision oncology Posted: 05 May 2022 12:44 PM PDT Scientists develop micro-organospheric models to predict therapeutic response accurately and rapidly, enabling cutting-edge precision oncology. |
| Cell division in moss and animals more similar than previously thought Posted: 05 May 2022 12:03 PM PDT For a new plant to grow from a seed, cells need to divide numerous times. Daughter cells can each take on different tasks and sometimes vary in size. How plants determine the plane of cell division in this process, known as mitosis, is currently being researched. Working with Physcomitrella -- a moss plant, they have now identified how the mitotic apparatus is localized in the plant cell: "Using moss cells we were able to observe an unexpected process that is important for the position of the cell division site in plants. |
| Scientists observe quantum speed-up in optimization problems Posted: 05 May 2022 12:03 PM PDT Scientists have demonstrated a breakthrough application of neutral-atom quantum processors to solve problems of practical use. |
| Heart attack mortality rate higher in the US compared to other high-income countries Posted: 05 May 2022 11:38 AM PDT When it comes to treating heart attacks, U.S. hospitals may have the latest tech and low readmission rates, but the country's mortality rate is one of the highest among the nations included in a new study. The study found substantial differences in care for heart attack patients across six high income countries despite international agreement on how heart attacks should be treated. |
| New tool more accurately uses genomic data to predict disease risk across diverse populations Posted: 05 May 2022 11:38 AM PDT A modified PRS increases predictive accuracy by integrating data from diverse populations. |
| 'Smart' diaper for bedside urine testing Posted: 05 May 2022 08:46 AM PDT Urine can reveal a lot about a person's health. But physicians don't currently have a convenient or fast way of tracking the concentration of important compounds in their patients' urine. Now, researchers have designed a flexible sensor that fits in a diaper, measures multiple components in urine and can share those results over Bluetooth to provide real-time bedside analyses for incontinent, elderly or infant patients. |
| Wearable, inexpensive robotic sleeve for lymphedema treatment Posted: 05 May 2022 08:46 AM PDT Researchers have developed a soft robotic sleeve controlled with a microfluidic chip that reduces cost, weight, and power consumption for treatment of lymphedema. The prototype is more portable than previous devices, and the underlying mechanisms can extend to other treatments, such as prosthetics. The microfluidic chip has 16 channels, each with a different resistance. The differing resistances create a time delay between the flow through each channel, causing balloons in the sleeve to sequentially inflate and push fluid upwards, out of the arm. |
| Promising treatment for dementia Posted: 05 May 2022 07:21 AM PDT A new study has found a promising new treatment for patients with behavioral variant fronto-temporal dementia, the second most common form of dementia in the under 60s -- resulting in a stabilizing of what would normally be escalating behavioral issues, and a slowing of brain shrinkage due to the disease. It is the second clinical trial to show that the drug, sodium selenate, may slow cognitive decline and neuro-degenerative damage that is the hallmark of many dementias including Alzheimer's Disease. |
| Asia and Africa have similar aging burden as the West Posted: 05 May 2022 05:56 AM PDT Researchers have devised a new metric, the 'Health-Adjusted Dependency Ratio' (HADR) as an alternative to the most commonly used aging metric, the old-age dependency ratio (OADR). The research suggests that age-related health burden is distinct from a ratio based exclusively on age and is the first to incorporate dependency associated with ill-health to generate a new metric that represents a more holistic measure of dependency for 188 countries. |
| New study reveals the effect of extended space flight on astronauts' brains Posted: 05 May 2022 05:56 AM PDT Long-duration space flight alters fluid-filled spaces along veins and arteries in the brain, according to new research. |
| Neuroscientists find multiple brain regions control speech, challenging common assumption Posted: 04 May 2022 02:08 PM PDT Neurobiologists give new meaning to the term 'motor mouth'. By carefully mapping neural networks in marmoset and macaque monkeys, they determined that multiple areas in the brain's frontal lobe control the muscles of vocalization and could provide a foundation for complex speech. |
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