Science News Science News Respective post owners and feed distributors Tue, 22 Jan 2013 09:53:08 -0600 Feed Informer Strain of E. coli may offer protections against its more malevolent cousins ScienceDaily: Latest Science News urn:uuid:94ebcb53-4645-20e5-10ba-3ac1cab1667a Tue, 07 Jul 2020 17:39:22 -0500 Researchers say E. coli Nissle may protect human cells against other more pathogenic strains of E. coli such as E. coli 0157:H7, which is commonly associated with contaminated hamburger meat. Famous 'Jurassic Park' dinosaur is less lizard, more bird ScienceDaily: Latest Science News urn:uuid:3c6fa20c-dcec-6f24-8436-05d544449599 Tue, 07 Jul 2020 17:39:20 -0500 From movies to museum exhibits, the dinosaur Dilophosaurus is no stranger to pop culture. Many probably remember it best from the movie 'Jurassic Park,' where it's depicted as a venom-spitting beast with a rattling frill around its neck and two paddle-like crests on its head. But a new comprehensive analysis of Dilophosaurus fossils is helping to set the record straight, finding that the Dilophosaurus was actually the largest land animal of its time. Algae species discovered infesting NW Hawaiian waters has been identified ScienceDaily: Latest Science News urn:uuid:edbc703a-32a4-df96-024c-cd40b131cd51 Tue, 07 Jul 2020 17:39:18 -0500 A newly-identified, fast-growing species of algae poses a major threat to coral reefs and the ocean ecosystem in the northwestern Hawaiian Islands. Scientists offer roadmap for studying link between climate and armed conflict ScienceDaily: Latest Science News urn:uuid:0d1af660-3ff5-61b0-8922-b5362ad91356 Tue, 07 Jul 2020 15:01:58 -0500 Climate change -- from rising temperatures and more severe heavy rain, to drought -- is increasing risks for economies, human security, and conflict globally. Scientists are leading an effort to better assess the climate-conflict link to help societies manage the complex risks of increased violence from a changing climate. Future Texas hurricanes: Fast like Ike or slow like Harvey? ScienceDaily: Latest Science News urn:uuid:9d821565-6516-afc4-f1d5-c372b2119ee8 Tue, 07 Jul 2020 15:01:55 -0500 Climate change will intensify winds that steer hurricanes north over Texas in the final 25 years of this century, increasing the odds for fast-moving storms like 2008's Ike compared to slow-movers like 2017's Harvey, according to new research. Boron nitride destroys PFAS 'forever' chemicals PFOA, GenX ScienceDaily: Latest Science News urn:uuid:078fbb2b-c4c5-a5a0-573f-dfec526b9464 Tue, 07 Jul 2020 15:01:53 -0500 Chemical engineers have discovered a photocatalyst that can destroy 99% of the 'forever' chemical PFOA in laboratory tests on polluted water. Researchers showed the boron nitride catalyst also destroys GenX, a PFOA replacement that's also an environmental problem. Science behind traditional mezcal-making technique ScienceDaily: Latest Science News urn:uuid:6f819d7b-d1a2-9f53-45a7-3d71fa4d212b Tue, 07 Jul 2020 15:01:49 -0500 Researchers reveal for the first time why bubbles are a good gauge of alcohol content in mezcal, a traditional Mexican spirit. Neurons show distinct styles as they interact with the same muscle partner ScienceDaily: Latest Science News urn:uuid:5161c407-1117-07a5-438e-8b226cddafa6 Tue, 07 Jul 2020 15:01:48 -0500 A study shows a newfound diversity in how cells talk to the muscle they innervate, revealing that the subclasses of neurons have distinct propensities for change, or 'plasticity'. Custom nanoparticle regresses tumors when exposed to light ScienceDaily: Latest Science News urn:uuid:6b89e7e9-5a7c-b879-2544-564addef4cbe Tue, 07 Jul 2020 15:01:44 -0500 A unique nanoparticle to deliver a localized cancer treatment inhibits tumor growth in mice, according to researchers. Shock-dissipating fractal cubes could forge high-tech armor ScienceDaily: Latest Science News urn:uuid:0fc1dfc6-8636-d7b4-02b3-7512a3a268d7 Tue, 07 Jul 2020 13:09:32 -0500 3D printed cubes,with intricate fractal voids efficiently dissipate shockwaves, potentially leading to new types of lightweight armor and materials to better withstand explosions and impacts. How to tackle climate change, food security and land degradation ScienceDaily: Latest Science News urn:uuid:c6f1aa66-35d9-3352-a2ed-a21dd7eb0348 Tue, 07 Jul 2020 13:09:29 -0500 How can some of world's biggest problems -- climate change, food security and land degradation -- be tackled simultaneously? Some lesser-known options, such as integrated water management and increasing the organic content of soil, have fewer trade-offs than many well-known options, such as planting trees, according to a new study. Making a list of all creatures, great and small ScienceDaily: Latest Science News urn:uuid:eae24ce7-6c3d-742e-b79a-11be827832f7 Tue, 07 Jul 2020 13:09:27 -0500 A new article outlines a roadmap for creating, for the first time, an agreed list of all the world's species, from mammals and birds to plants, fungi and microbes. Metabolomics meets genomics to improve patient diagnosis ScienceDaily: Latest Science News urn:uuid:df15c131-26f6-8d2e-af47-5adbaf4ff6c8 Tue, 07 Jul 2020 11:06:53 -0500 Researchers have improved their ability to identify the genetic cause of undiagnosed conditions. Our animal inheritance: Humans perk up their ears, too, when they hear interesting sounds ScienceDaily: Latest Science News urn:uuid:0f682ff8-5df6-378b-6f4e-b6285fc11135 Tue, 07 Jul 2020 10:33:37 -0500 Many animals move their ears to better focus their attention on a novel sound. That humans also have this capability was not known until now. A research team now has demonstrated that we make minute, unconscious movements of our ears that are directed towards the sound want to focus our attention on. The team discovered this ability by measuring electrical signals in the muscles of the vestigial motor system in the human ear. Desk-based jobs may offer protection against poor cognition in later life ScienceDaily: Latest Science News urn:uuid:33de1c49-4c0a-0bcb-f95e-21d9b0801b25 Tue, 07 Jul 2020 10:33:35 -0500 People who work in jobs that require less physical activity - typically office and desk-based jobs - are at a lower risk of subsequent poor cognition than those whose work is more physically active, suggests new research. 1.5 billion people will depend on water from mountains ScienceDaily: Latest Science News urn:uuid:d81510a0-07d2-864f-8d48-512095f205fe Tue, 07 Jul 2020 10:33:33 -0500 Global water consumption has increased almost fourfold in the past 100 years, and many regions can only meet their water demand thanks to essential contributions from mountain regions. In 30 years, almost a quarter of the world's lowland population will strongly depend on runoff from the mountains. Only sustainable development can ensure the important function of mountain areas as Earth's ''water towers''. Agriculture - a climate villain? Maybe not! ScienceDaily: Latest Science News urn:uuid:ff606740-0bde-58f4-335d-ecdced547dfc Tue, 07 Jul 2020 10:33:31 -0500 The UN's Intergovernmental Panel on Climate Change (IPCC) claims that agriculture is one of the main sources of greenhouse gases, and is thus by many observers considered as a climate villain. Dopamine neurons mull over your options ScienceDaily: Latest Science News urn:uuid:5d30e31e-871e-ef71-8a08-d0ddaf033016 Tue, 07 Jul 2020 10:33:27 -0500 Researchers have found that dopamine neurons in the brain can represent the decision-making process when making economic choices. As monkeys contemplated whether or not to choose an item, a subset of dopamine neurons transitioned from indicating the item's value to indicating the monkey's ultimate decision. Encoding of the decision into these dopamine neurons happened earlier than it did in other parts of the brain related to economic decision-making. Excitation of robust materials ScienceDaily: Latest Science News urn:uuid:69dd1e69-20cf-b82c-e088-5d0ba382bfcb Tue, 07 Jul 2020 10:33:24 -0500 So-called topological materials have special electronic properties, which are very robust against external perturbations. In tungsten ditelluride such a topologically protected state can be ''broken up'' using special laser pulses within picoseconds and thus change its properties. This could be a key requirement for realising extremely fast, optoelectronic switches. For the first time, physicists observed changes to the electronic properties of this material in experiments in real-time. Women's egg quality dependent on metabolic factors ScienceDaily: Latest Science News urn:uuid:a7170304-263d-3daf-fa86-b1da9ce3b205 Tue, 07 Jul 2020 10:33:22 -0500 Increasing the levels of a chemical found in all human cells could boost a woman's fertility and help select the best eggs for IVF. Limitations of super-resolution microscopy overcome ScienceDaily: Latest Science News urn:uuid:8e3a37e9-b860-4f5a-6070-bd847c9f1c60 Tue, 07 Jul 2020 10:33:20 -0500 The smallest cell structures can now be imaged even better: The combination of two microscopy methods makes fluorescence imaging with molecular resolution possible for the first time. Scientists create new device to light up the way for quantum technologies ScienceDaily: Latest Science News urn:uuid:c5ff4dae-d08e-bf03-733e-519e76f9b73d Tue, 07 Jul 2020 10:33:18 -0500 Researchers have created an innovative new device that will emit single particles of light, or photons, from quantum dots that are the key to practical quantum computers, quantum communications, and other quantum devices. Interplay of impact, moral goals influences charitable giving to different causes ScienceDaily: Latest Science News urn:uuid:ebbc122f-e59c-49b7-0e62-41679a787d3d Tue, 07 Jul 2020 10:33:05 -0500 With the rise of globalization, geographic borders are becoming less relevant for making charitable donations, which means nonprofits and charities can make more effective pitches to donors by emphasizing higher-level concepts such as morality and idealistic values, said Carlos Torelli, a professor of business administration and the James F. Towey Faculty Fellow at Illinois. Flu in early life determines our susceptibility to future infections ScienceDaily: Latest Science News urn:uuid:2222a670-d80b-2ae5-6655-9ec7b3551f68 Tue, 07 Jul 2020 10:33:04 -0500 Early infections of influenza A can help predict how the virus will affect people across different ages in the future and could impact the effectiveness of flu vaccines, says a new study. Engineered killer immune cells target tumors and their immunosuppressive allies ScienceDaily: Latest Science News urn:uuid:bb25012c-38f3-5379-5414-d55758beca78 Tue, 07 Jul 2020 10:33:02 -0500 Scientists have engineered natural killer immune cells that not only kill head and neck tumor cells in mice but also reduce the immune-suppressing myeloid cells that allow tumors to evade the immune response. Brain structural elements in psychiatric disorders ScienceDaily: Latest Science News urn:uuid:4548c132-9ef9-762c-3b8a-36a41e1bc7d1 Tue, 07 Jul 2020 10:32:58 -0500 While researchers have previously identified brain structural signatures associated with individual neurological diseases using techniques such as magnetic resonance imaging (MRI), a team of scientists has now compared data from multiple studies to find brain structural abnormalities shared between four different neuropsychiatric conditions. The researchers also found brain signatures that were unique to individual conditions. Microscopic structures could improve perovskite solar cells ScienceDaily: Latest Science News urn:uuid:e16906d0-0a9c-f156-4dfe-8059668887c9 Tue, 07 Jul 2020 10:32:57 -0500 Solar cells based on perovskite compounds could soon make electricity generation from sunlight even more efficient and cheaper. The laboratory efficiency of these perovskite solar cells already exceeds that of the well-known silicon solar cells. An international team has found microscopic structures in perovskite crystals that can guide the charge transport in the solar cell. Clever alignment of these electron highways could make perovskite solar cells even more powerful. Research reveals regulatory features of maize genome during early reproductive development ScienceDaily: Latest Science News urn:uuid:4f9d3537-9eee-abad-87db-da8a0e7a0f54 Tue, 07 Jul 2020 10:32:55 -0500 A team of researchers has mapped out the non-coding, 'functional' genome in maize during an early developmental window critical to formation of pollen-bearing tassels and grain-bearing ears. Circular RNA makes fruit flies live longer ScienceDaily: Latest Science News urn:uuid:51d457d0-90d2-6b0c-dfd4-d53e6526bc36 Tue, 07 Jul 2020 10:32:53 -0500 The molecule influences the insulin signalling pathway and thus prolongs life. The collective power of the solar system's dark, icy bodies ScienceDaily: Latest Science News urn:uuid:ff38d9a8-7af3-1575-aadb-5afe0b5d6c67 Tue, 07 Jul 2020 10:32:51 -0500 Two new studies by researchers at the University of Colorado Boulder may help to solve one of the biggest mysteries about the dark, icy bodies of the outer solar system: why so many of them don't circle the sun the way they should. The cosmic commute towards star and planet formation ScienceDaily: Latest Science News urn:uuid:49614ca1-afef-309a-d7e1-f7df78615d8c Tue, 07 Jul 2020 10:32:50 -0500 Interconnected gas flows reveal how star-forming gas is assembled in galaxies. Climate change may cause extreme waves in Arctic ScienceDaily: Latest Science News urn:uuid:9879bca7-188a-f78f-9fb7-25914664645b Tue, 07 Jul 2020 10:32:48 -0500 Extreme ocean surface waves with a devastating impact on coastal communities and infrastructure in the Arctic may become larger due to climate change, according to a new study. Higher manganese levels in early pregnancy linked to lower preeclampsia risk ScienceDaily: Latest Science News urn:uuid:973d1221-0397-1653-0646-79b5e93f7889 Tue, 07 Jul 2020 10:32:45 -0500 An analysis of data from more than 1,300 women followed prospectively through pregnancy found that women with lower levels of the essential mineral manganese in early pregnancy were more likely to develop the serious high blood pressure syndrome called preeclampsia in late pregnancy. Poor sleep at night 'spills over' into children's emotional lives ScienceDaily: Latest Science News urn:uuid:79e3b868-344f-df42-899d-357bb8cf08ba Tue, 07 Jul 2020 10:32:43 -0500 Poor sleep harms children's mental health and emotional stability according to a new study. New collection of stars, not born in our galaxy, discovered in Milky Way ScienceDaily: Latest Science News urn:uuid:5f495e42-38a3-56e8-49d6-5ac9a560796b Tue, 07 Jul 2020 10:32:39 -0500 Astrophysicists announced the discovery of Nyx, a new collection of 250 stars that they believe are the remnant of a dwarf galaxy that merged with the Milky Way eons ago. The research combined massive cosmological simulations and observational data from the Gaia space observatory. It required large scale supercomputers and deep learning algorithms. The team plans to explore Nyx further using ground-based telescopes. Contest between superconductivity and insulating states in Magic Angle Graphene ScienceDaily: Latest Science News urn:uuid:5f540578-e63c-67ba-4835-e09724f8771c Tue, 07 Jul 2020 10:32:36 -0500 A team of researchers develop a set of entirely novel knobs to control correlated electrons and demonstrate that superconductivity can exist without insulating phases in Magic Angle Twisted Bi-layer Graphene. A key gene modifies regulatory T cells to fine-tune the immune response ScienceDaily: Latest Science News urn:uuid:506c5a1b-6c48-0277-3daa-19bde32bbdd0 Tue, 07 Jul 2020 10:32:32 -0500 The human immune system is a finely-tuned machine, balancing when to release a cellular army to deal with pathogens, with when to rein in that army, stopping an onslaught from attacking the body itself. Now, researchers have discovered a way to control regulatory T cells, immune cells that act as a cease-fire signal, telling the immune system when to stand down. Double take: New study analyzes global, multiple-tailed lizards ScienceDaily: Latest Science News urn:uuid:7805b834-189b-a5dc-1d82-238f7d22693b Tue, 07 Jul 2020 10:32:27 -0500 Research into abnormal regeneration events in lizards has led to the first published scientific review on the prevalence of lizards that have re-generated not just one, but two, or even up to six, tails. Cooling mechanism increases solar energy harvesting for self-powered outdoor sensors ScienceDaily: Latest Science News urn:uuid:6b71227a-d15e-29c1-c12e-2478c600a7e7 Tue, 07 Jul 2020 10:32:25 -0500 Thermoelectric devices, which use the temperature difference between the top and bottom of the device to generate power, offer some promise for harnessing naturally occurring energy. Authors tested one made up of a wavelength-selective emitter that constantly cools the device during the day using radiative cooling. As a result, the top of the device is cooler than the bottom, causing a temperature difference that creates constant voltage through day and night. Engineers use electricity to clean up toxic water ScienceDaily: Latest Science News urn:uuid:34b101a2-f4b5-e194-e66a-d389e8d84ba6 Tue, 07 Jul 2020 10:32:06 -0500 Powerful electrochemical process destroys water contaminants, such as pesticides. Wastewater is a significant environment issue. Researchers say the technology could be readily applied to the wine industry, paper processing and pharmaceutical manufacturing. Microplastic pollution harms lobster larvae, study finds ScienceDaily: Latest Science News urn:uuid:7e82050a-b1e3-324d-919c-9384b2a8910c Tue, 07 Jul 2020 07:39:58 -0500 Microplastic fiber pollution in the ocean impacts larval lobsters at each stage of their development, according to new research. A study reports that the fibers affect the animals' feeding and respiration, and they could even prevent some larvae from reaching adulthood. Common inherited genetic variant identified as frequent cause of deafness in adults ScienceDaily: Latest Science News urn:uuid:b732d9fb-be8b-e7cc-074b-7a8c6ff7b545 Mon, 06 Jul 2020 19:38:22 -0500 A common inherited genetic variant is a frequent cause of deafness in adults, meaning that many thousands of people are potentially at risk, reveals new research. Probiotics alone or combined with prebiotics may help ease depression ScienceDaily: Latest Science News urn:uuid:73aa64c4-efab-49e5-572d-e2b23b13513e Mon, 06 Jul 2020 19:38:20 -0500 Probiotics either taken by themselves or when combined with prebiotics, may help to ease depression, suggests a review of the available evidence. New evidence helps form digital reconstruction of most important medieval shrine ScienceDaily: Latest Science News urn:uuid:43723747-719f-1142-44c3-b34db3d75ae4 Mon, 06 Jul 2020 19:38:17 -0500 The shrine of Saint Thomas Becket, the most important pilgrimage destination in medieval England - visited for hundreds of years by pilgrims seeking miraculous healing - has been digitally reconstructed for the public, according to how experts believe it appeared before its destruction. When it comes to DNA repair, it's not one tool fits all ScienceDaily: Latest Science News urn:uuid:13b27f69-0397-a3af-69d7-267a194ff508 Mon, 06 Jul 2020 16:34:51 -0500 Researchers studied double-strand breaks with complex damage and found that enzyme tools to resect the breaks are highly specific to the type of break to be repaired. Do we know what we want in a romantic partner? No more than a random stranger would ScienceDaily: Latest Science News urn:uuid:c23c60ff-98b9-99f7-68f0-4b21bbeb9015 Mon, 06 Jul 2020 16:34:49 -0500 New research suggests that people's ideal partner preferences do not reflect any unique personal insight. Atomic 'Swiss army knife' precisely measures materials for quantum computers ScienceDaily: Latest Science News urn:uuid:31ab8dda-8374-ad5d-891b-e92d047b8a43 Mon, 06 Jul 2020 16:34:46 -0500 Scientists have developed a novel instrument that can make three kinds of atom-scale measurements simultaneously. Liquid crystal integrated metalens for versatile color focus ScienceDaily: Latest Science News urn:uuid:4b15c491-e3f2-285b-eeda-babec4544e37 Mon, 06 Jul 2020 16:34:44 -0500 A research team recently demonstrated active manipulation of chromatic dispersion, achieving achromatic focusing within a designated broadband. New room-temperature liquid-metal battery could be the path to powering the future ScienceDaily: Latest Science News urn:uuid:79165b7f-949f-53a8-4d8e-02f2f99435a6 Mon, 06 Jul 2020 16:34:42 -0500 Researchers have created a new liquid battery with components that can remain molten at room temperature. Other liquid batteries must be kept at 240 degrees Celsius for their components to stay molten. What ethical models for autonomous vehicles don't address, and how they could be better ScienceDaily: Latest Science News urn:uuid:60ad4e76-b49b-995d-6fb3-1c81bb1b165a Mon, 06 Jul 2020 14:27:08 -0500 There's a fairly large flaw in the way that programmers are currently addressing ethical concerns related to artificial intelligence and autonomous vehicles (AVs). Namely, existing approaches don't account for the fact that people might try to use AVs to do something bad.