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ScienceDaily: Top News |
| Accelerating the discovery of new materials for 3D printing Posted: 15 Oct 2021 03:42 PM PDT A new data-driven system accelerates the process of discovering 3D printing materials that have multiple mechanical properties. |
| Posted: 15 Oct 2021 10:32 AM PDT Bacteria can store extra resources for the lean times. It's a bit like keeping a piggy bank or carrying a backup battery pack. One important reserve is known as cyanophycin granules, which were first noticed by an Italian scientist about 150 years ago. He saw big, dark splotches in the cells of the blue-green algae (cyanobacteria) he was studying without understanding either what they were or their purpose. Since then, scientists have realized that cyanophycin was made of a natural green biopolymer, that bacteria use it as a store of nitrogen and energy, and that it could have many biotechnological applications. |
| Key protein linked to appetite and obesity in mice Posted: 15 Oct 2021 10:32 AM PDT Researchers have identified a protein that plays a key role in how the brain regulates appetite and metabolism. Loss of the protein, XRN1, from the forebrain, resulted in obese mice with an insatiable appetite, according to a new study. |
| Posted: 15 Oct 2021 08:12 AM PDT Between 2016 and 2018, researchers studied wild boar and rat snakes across a range of radiation exposures in Fukushima. The team examined biomarkers of DNA damage and stress and did not find any significant adverse health effects. |
| How to program DNA robots to poke and prod cell membranes Posted: 15 Oct 2021 08:12 AM PDT A discovery of how to build little blocks out of DNA and get them to stick to lipids has implications for biosensing and mRNA vaccines. |
| Discovery of new role for the brain’s immune cells could have Alzheimer's implications Posted: 15 Oct 2021 06:48 AM PDT The immune cells, known as microglia, also help regulate blood flow and maintain the brain's critical blood vessels, researchers have discovered. The findings may prove important in cognitive decline, dementia and stroke, among other conditions linked to diseases of the brain's small vessels. |
| Contraceptive pill can reduce type 2 diabetes risk in women with polycystic ovary syndrome Posted: 15 Oct 2021 06:47 AM PDT A study has revealed for the first time that the contraceptive pill can reduce the risk of type 2 diabetes by over a quarter in women with polycystic ovary syndrome (PCOS). The research findings also show that women with PCOS have twice the risk of developing type 2 diabetes or pre-diabetes (dysglycemia) -- highlighting the urgent need to find treatments to reduce this risk. |
| Intelligent optical chip to improve telecommunications Posted: 15 Oct 2021 06:47 AM PDT Scientists have developed a smart pulse-shaper integrated on a chip. |
| Gel fights drug-resistant bacteria and induces body’s natural immune defense Posted: 14 Oct 2021 02:27 PM PDT In the fight against multidrug-resistant bacteria, scientists have developed a new kind of antibiotic-free protection for wounds that kills drug-resistant bacteria and induces the body's own immune responses to fight infections. |
| Study could pave way for creating safer opioids Posted: 14 Oct 2021 02:27 PM PDT Researchers may have an uncovered new answers on how to create safer opioids. Design a new opioid to bypass the part of brain that feels pleasure, but retain the analgesic properties, which make opioids one of the most effective pain relievers. Researchers looked at how opioids may have become so widely abused. |
| Posted: 14 Oct 2021 02:27 PM PDT Stem-like cells that make up only a tiny fraction of the total cells in a lung tumor could be the key to stopping the disease's deadly spread, say researchers. |
| How long can fiber reinforced polymer sustain concrete structures? Scientists answer Posted: 14 Oct 2021 02:27 PM PDT One potential cost-effective way to sustain ageing concrete subjected to harsh environmental conditions is to externally coat the material with fiber reinforced polymer composites. But few studies have looked at the durability of such strengthening. Now, researchers from Korea and the USA conduct a 13-year long experiment to find out. |
| New model to assess for flood hazards Posted: 14 Oct 2021 02:27 PM PDT A new article presents a new methodology to create a watershed-scale flood model based on LiDAR data. |
| New theories and materials aid the transition to clean energy Posted: 14 Oct 2021 02:27 PM PDT Scientists have explored different approaches to catalysis, a chemical process that plays an essential role in biological reactions, as well as many industrial applications. Chemical catalysts have been used in a variety of human applications, ranging from pharmaceutical development to biodegradable plastics and environmentally safe fertilizers. They may also advance the development of green energy solutions to address the climate crisis. |
| Study discovers unique brain signature of intimate partner aggression Posted: 14 Oct 2021 11:19 AM PDT A new study used functional magnetic resonance imaging to examine the brain activity of 51 male-female romantic couples as they experienced intimate partner aggression in real time. They found that aggression toward intimate partners was associated with aberrant activity in the brain's medial prefrontal cortex, or MPFC, which has many functions, but among them is the ability to foster perceptions of closeness with and value of other people. |
| New technique helps researchers understand how acid damages teeth Posted: 14 Oct 2021 11:19 AM PDT Researchers have developed a new technique to improve understanding of how acid damages teeth at the microstructural level. |
| Posted: 14 Oct 2021 11:18 AM PDT Clinical decisions made in the delivery setting as to whether to employ vaginal delivery or cesarean section are often made under high pressure, and with great uncertainty, and have serious consequences for mother and baby. Now, a new study of electronic health records spanning 86,000 deliveries suggests that if their prior patient had complications in one delivery mode, a physician will be more likely to switch to the other -- and likely inappropriate -- delivery mode for the subsequent patient, regardless of whether it is warranted for that patient's indications. |
| Filling the gaps: Connecting genes to diseases through proteins Posted: 14 Oct 2021 11:18 AM PDT Hundreds of connections between different human diseases have been uncovered through their shared origin in our genome, challenging the categorization of diseases by organ, symptoms, or clinical specialty. A new study has generated data on thousands of proteins circulating in our blood and combined this with genetic data to produce a map showing how genetic differences that affect these proteins link together seemingly diverse as well as related diseases. |
| Shedding light on mysterious jellyfish diets Posted: 14 Oct 2021 10:39 AM PDT Jellyfish have voracious appetites, and they aren't considered the most selective eaters. Almost anything that gets stuck to their tentacles winds up in the gelatinous sack that they use to digest their food. This 'take what comes' feeding strategy has clouded our understanding of which foods jellyfish survive on and how they fit in food webs. However, new research using two biochemical tools, stable isotopes and fatty acids, are beginning to unlocking the secrets of jellyfish feeding. |
| The gene behind an unusual form of Cushing’s Syndrome Posted: 14 Oct 2021 10:12 AM PDT The molecular causes of a particular type of food-dependent Cushing's Syndrome, a rare disease of the adrenal glands, are finally revealed. |
| Americans are eating more ultra-processed foods Posted: 14 Oct 2021 07:20 AM PDT Consumption of ultra-processed foods has increased over the past two decades across nearly all segments of the U.S. population, according to a new study. |
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