Science News Science News Respective post owners and feed distributors Tue, 22 Jan 2013 09:53:08 -0600 Feed Informer Evidence for a Human Geomagnetic Sense ScienceDaily: Latest Science News urn:uuid:3b502374-895b-bc5e-47b9-083acb335411 Thu, 21 Mar 2019 07:36:37 -0500 Scientists develop a robust experiment that shows human brain waves respond to changes in Earth-strength magnetic fields. Giant X-ray 'chimneys' are exhaust vents for vast energies produced at Milky Way's center ScienceDaily: Latest Science News urn:uuid:e53fffef-92ad-b968-b825-850e841ec959 Wed, 20 Mar 2019 15:49:12 -0500 At the center of our galaxy, where an enormous black hole blasts out energy as it chows down on interstellar detritus while neighboring stars burst to life and explode. astronomers have discovered two exhaust channels -- dubbed the 'galactic center chimneys' -- that appear to funnel matter and energy away from the cosmic fireworks. Hidden proteins found in bacteria ScienceDaily: Latest Science News urn:uuid:66e93f1b-7e28-0a56-ca9b-50e526c1bc7d Wed, 20 Mar 2019 15:49:09 -0500 Scientists have developed a way to identify the beginning of every gene -- known as a translation start site or a start codon -- in bacterial cell DNA with a single experiment and, through this method, they have shown that an individual gene is capable of coding for more than one protein. Potential new combination treatment for pancreatic cancer ScienceDaily: Latest Science News urn:uuid:edcb56c4-e192-1826-e966-e8f3b4729b7c Wed, 20 Mar 2019 15:49:01 -0500 Researchers have identified a possible new therapeutic strategy using two types of drug inhibitors at once to treat one of the world's deadliest cancers. Generic advice doesn't help patients drop pounds ScienceDaily: Latest Science News urn:uuid:af14788e-2350-5565-6955-c25e44b5224b Wed, 20 Mar 2019 14:39:29 -0500 When it comes to losing weight, doctors' messages to their patients can make a powerful difference, according to new research. As if by magic: Program lights up cancer-causing mutations ScienceDaily: Latest Science News urn:uuid:82bdedd8-ddad-d7f8-55fa-d30d694d2bd8 Wed, 20 Mar 2019 14:39:23 -0500 By conjuring the spell 'Lumos!' wizards in the mythical world of Harry Potter could light up the tip of their magic wands and illuminate their surroundings. So, too, does LumosVar, a computer program 'light up' cancer-causing genetic Var-ients, or mutations, illuminating how physicians might best treat their patients. Older immigrants living in US more satisfied with life than native-born counterparts ScienceDaily: Latest Science News urn:uuid:a8d8d3d0-c45a-8417-198a-4c222c465681 Wed, 20 Mar 2019 14:39:21 -0500 Most people who immigrated to the United States for a chance to live the 'American Dream' are more satisfied with their lives in the 'land of the free' than those who were born here, according to new research. New study reshapes understanding of how the brain recovers from injury ScienceDaily: Latest Science News urn:uuid:42e9f5c7-dcd3-c101-6a2f-8e56420b4877 Wed, 20 Mar 2019 14:39:18 -0500 Each year, approximately 265,000 Americans have a stroke that causes visual impairment. New research sheds light on how the damage in the brain caused by a stroke can lead to permanent vision impairment. The findings could provide researchers with a blueprint to better identify which areas of vision are recoverable, facilitating the development of more effective interventions to encourage vision recovery. Stroke risk drops in both black and white older adults ScienceDaily: Latest Science News urn:uuid:ec648660-8a6b-40b8-7721-cd2593494664 Wed, 20 Mar 2019 14:39:08 -0500 Recent reductions in hospitalization and death due to stroke extend to both black and white Medicare beneficiaries, reports a new study. Premature babies could benefit from combined glucocorticoid and antioxidant therapy ScienceDaily: Latest Science News urn:uuid:79dc6e89-908d-1474-5bb9-8cf7f7edf79e Wed, 20 Mar 2019 13:56:09 -0500 Scientists have suggested that subtle changes to the drugs administered to mothers threatened with preterm birth or to premature babies could further improve clinical treatment and help increase their safety. Research paves way for new source for leukemia drug ScienceDaily: Latest Science News urn:uuid:901d8f06-2d3c-f4c3-c8bb-ac112055bfa1 Wed, 20 Mar 2019 13:56:02 -0500 Chemistry researchers have patented a method for making anti-leukemia compounds that until now have only been available via an Asian tree that produces them. Turn off a light, save a life ScienceDaily: Latest Science News urn:uuid:af25a458-a07c-91e1-c70c-0336b838f158 Wed, 20 Mar 2019 13:55:59 -0500 We all know that turning off lights and buying energy-efficient appliances affects our financial bottom line. Now, according to a new study, we know that saving energy also saves lives and even more money for consumers by alleviating the costs of adverse health effects attributed to air pollution. Sustainable fisheries and conservation policy ScienceDaily: Latest Science News urn:uuid:12588565-c051-b054-66e2-9d7c7297d81e Wed, 20 Mar 2019 13:55:55 -0500 There are roughly five times as many recreational fishers as commercial fishers throughout the world. And yet, the needs and peculiarities of these recreational fishers have largely been ignored in international fisheries and conservation policy. Brain-inspired AI inspires insights about the brain (and vice versa) ScienceDaily: Latest Science News urn:uuid:c33caad2-0100-b88d-62fc-9224946946f2 Wed, 20 Mar 2019 13:11:11 -0500 Researchers have described the results of experiments that used artificial neural networks to predict with greater accuracy than ever before how different areas in the brain respond to specific words. The work employed a type of recurrent neural network called long short-term memory (LSTM) that includes in its calculations the relationships of each word to what came before to better preserve context. The inbis channel: The most complete submarine cartography ScienceDaily: Latest Science News urn:uuid:927c67e2-1db6-0415-beb4-0bc3db7c9cc5 Wed, 20 Mar 2019 13:11:08 -0500 A scientific study describes for the first time the submarine cartography of a high-latitude system in the IBIS channel, which covers tens of kilometers in the northern western area of the Barents Sea, in the Arctic Ocean. This channel is one of the few submarine valleys in polar latitudes that kept its geological architecture during the Last Glacial Maximum (LGM). New mobile element found in mosquito parasite has potential for disease control ScienceDaily: Latest Science News urn:uuid:df8a85df-47a7-3e26-efae-7f70d403e613 Wed, 20 Mar 2019 13:10:45 -0500 An interdisciplinary team of scientists has identified a new mobile DNA element in the Wolbachia parasite, which may contribute to improved control strategies for mosquito vectors of diseases such as Dengue and West Nile virus. Tropical storms likely to become more deadly as climate changes ScienceDaily: Latest Science News urn:uuid:e8910f77-ec0d-45e7-8131-2761789c98e3 Wed, 20 Mar 2019 13:10:42 -0500 Tropical storms are likely to become more deadly under climate change, leaving people in developing countries, where there may be a lack of resources or poor infrastructure, at increased risk, new research shows. Toilet seat that detects congestive heart failure getting ready to begin commercialization ScienceDaily: Latest Science News urn:uuid:0b70ee3d-d9db-f8d1-10f7-4fbd58bfe9fd Wed, 20 Mar 2019 13:10:39 -0500 A toilet-seat based cardiovascular monitoring system aims to lower the hospital readmission rates of patients with congestive heart failure. Predicted deforestation in Brazil could lead to local temperature increase up to 1.45°C ScienceDaily: Latest Science News urn:uuid:79e41bd1-5877-2d1a-159f-e0908ba4459e Wed, 20 Mar 2019 13:10:30 -0500 A new model quantifies how forest change affects local surface temperatures by altering sunlight-reflection and evapotranspiration properties, and predicts that Brazilian deforestation could result in a 1.45°C increase by 2050. North Africans were among the first to colonize the Canary Islands ScienceDaily: Latest Science News urn:uuid:206fcdc5-84c2-aa70-1731-2d1ae23e4345 Wed, 20 Mar 2019 13:10:27 -0500 People from North Africa are likely the main group that founded the indigenous population on the Canary Islands, arriving by 1000 CE, reports a new study. Robotic 'gray goo' ScienceDaily: Latest Science News urn:uuid:275ca48a-c3f8-b9ce-4026-a114c9fb39b2 Wed, 20 Mar 2019 13:10:24 -0500 Researchers have demonstrated for the first time a way to make a robot composed of many loosely coupled components, or 'particles.' Unlike swarm or modular robots, each component is simple, and has no individual address or identity. In their system, which the researchers call a 'particle robot,' each particle can perform only uniform volumetric oscillations (slightly expanding and contracting), but cannot move independently. The best topological conductor yet: Spiraling crystal is the key to exotic discovery ScienceDaily: Latest Science News urn:uuid:d3f67962-9f4e-3b58-1323-edd80d2ae757 Wed, 20 Mar 2019 13:10:14 -0500 A team of researchers has discovered the strongest topological conductor yet, in the form of thin crystal samples that have a spiral-staircase structure. Computer scientists create reprogrammable molecular computing system ScienceDaily: Latest Science News urn:uuid:8f28091e-c15d-2dce-0724-f09399c0f294 Wed, 20 Mar 2019 13:05:48 -0500 Researchers have designed self-assembling DNA molecules with unprecedented reprogrammability. New short-tailed whip scorpion species discovered in Amazon ScienceDaily: Latest Science News urn:uuid:41e89faa-9dbf-d4f8-b0ae-f9e52bd9683d Wed, 20 Mar 2019 13:04:53 -0500 A new species of Surazomus, which belongs to the class Arachnida and the order Schizomida, has been discovered in the eastern Amazon, according to a new study. Visualizing better cancer treatment ScienceDaily: Latest Science News urn:uuid:4dfce07c-ddd8-5105-7804-0fdaa3470686 Wed, 20 Mar 2019 11:06:05 -0500 Researchers have engineered nanoscale protein micelles capable of both delivering chemotherapeutic drugs and of being tracked by MRI. The innovation allows researchers to administer therapy while noninvasively monitoring the therapeutic progress and drastically reducing the need for surgical intervention. They biosynthesized a protein block copolymer containing amino acid building blocks with fluorinated thermoresponsive assembled protein (F-TRAP), which assembles into a nanoscale micelle with the noteworthy abilities. Butterfly numbers down by two thirds ScienceDaily: Latest Science News urn:uuid:f2778788-839c-4e96-3f05-93923dec2385 Wed, 20 Mar 2019 11:06:03 -0500 Meadows adjacent to high-intensity agricultural areas are home to less than half the number of butterfly species than areas in nature preserves. The number of individuals is even down to one-third of that number. Gene variant associated with cellular aging ScienceDaily: Latest Science News urn:uuid:af6eab51-89dc-6a56-8381-9b0e53239386 Wed, 20 Mar 2019 11:05:57 -0500 It is well known that psychiatric stress is associated with accelerated aging. Now, a new study shows that a gene mutation interacts with multiple types of psychiatric stress including post-traumatic stress disorder (PTSD), pain and sleep disturbances in association with cellular aging. Does pregnancy history affect cognitive function? ScienceDaily: Latest Science News urn:uuid:dada3e69-de37-59bb-ef47-46d05d407851 Wed, 20 Mar 2019 11:05:52 -0500 Healthy cognitive aging is a public health priority, especially as the US population grows older. Until now, not much has been known about the link between pregnancy history and cognitive function in older women. A new study finds that there does not appear to be a link. It's spring already? Physics explains why time flies as we age ScienceDaily: Latest Science News urn:uuid:c8bcb1fc-1b49-ae17-8210-66c7671aaec1 Wed, 20 Mar 2019 11:05:47 -0500 Researchers have a new explanation for why those endless days of childhood seemed to last so much longer than they do now -- physics. According to the theory, the apparent temporal discrepancy can be blamed on the ever-slowing speed at which images are obtained and processed by the human brain as the body ages. A mating war in diving beetles has stopped the evolution of species ScienceDaily: Latest Science News urn:uuid:28cc6af7-7526-aa2a-eb78-4c88fff5d641 Wed, 20 Mar 2019 11:05:44 -0500 In nature, males eager attempts to mate with females can be so extreme that they will harm females. Such negative impact of mating interactions has been suggested to promote the emergence of new species under some circumstances. Surprisingly, one type of diving beetle species now show that this conflict between the sexes can instead lead to an evolutionary standstill in which mating enhancing traits in males and counter-adaptations in females prevent the formation of new species. Chromatin changes rapidly in response to low oxygen ScienceDaily: Latest Science News urn:uuid:c30feefc-c032-5e22-8c76-b3b6a81c96c2 Wed, 20 Mar 2019 11:05:41 -0500 A study reveals new insights into how cells respond to oxygen deprivation. The researchers found that chromatin, the complex of DNA and proteins where all genes reside, quickly changes in response to low oxygen. Assessment tool predicts chronic fatigue syndrome 6 months after mono ScienceDaily: Latest Science News urn:uuid:7dbaaa49-3e30-e2e7-b3fa-2538ad91ffcc Wed, 20 Mar 2019 11:05:39 -0500 To assess risk factors for chronic fatigue syndrome after mononucleosis, researchers developed and validated a scale for rating the severity of mononucleosis. In a study with 126 college students, they found that participants with a higher mononucleosis severity score had over three times the risk of meeting two or more sets of diagnostic criteria for chronic fatigue syndrome after six months. Biodiversity patterns in Antarctic Dry Valleys ScienceDaily: Latest Science News urn:uuid:e0703452-796c-2829-0684-322b0d724522 Wed, 20 Mar 2019 10:21:58 -0500 'Surprisingly, we found that biotic, or living, interactions are crucial in shaping biodiversity patterns even in the extreme ecosystems of the Antarctic Dry Valleys.' US indoor climate most similar to northeast African outdoors ScienceDaily: Latest Science News urn:uuid:2d6aba4e-cbe0-3bfd-66f4-8ff9fb57e6a6 Wed, 20 Mar 2019 10:21:55 -0500 Americans are most comfortable when their indoor climate is like the northeast African outdoors -- warm and relatively dry. Balance of two enzymes linked to pancreatic cancer survival ScienceDaily: Latest Science News urn:uuid:77604f8a-d8e6-5ba1-01ac-b444e1000adc Wed, 20 Mar 2019 10:06:42 -0500 New research sets the stage for clinicians to potentially one day use levels of a pancreatic cancer patient's PHLPP1 and PKC enzymes as a prognostic, and for researchers to develop new therapeutic drugs that inhibit PHLPP1 and boost PKC as a means to treat the disease. Innovative lab test to develop easy-to-swallow medicine for children ScienceDaily: Latest Science News urn:uuid:4858df09-79bb-fee2-fb55-4b3afd0aa137 Wed, 20 Mar 2019 10:06:32 -0500 Scientists have revealed an innovative in vitro method that can help to develop easy to swallow medicine for children and older people. Improper removal of personal protective equipment contaminates health care workers ScienceDaily: Latest Science News urn:uuid:8389b94e-3929-6ecb-c2db-c09ac2f7d6d7 Wed, 20 Mar 2019 10:06:30 -0500 More than one-third of healthcare workers were contaminated with multi-drug resistant organisms (MDRO) after caring for patients colonized or infected with the bacteria, according to a new study. The study found that 39 percent of workers made errors in removing personal protective equipment (PPE), including gowns and gloves, increasing the incidence of contamination. Supercomputer simulations shed light on how liquid drops combine ScienceDaily: Latest Science News urn:uuid:8a7b4ae4-b6f4-29e4-f84d-84803a597f23 Wed, 20 Mar 2019 10:06:27 -0500 High performance computing has revealed in detail how liquid droplets combine, in a development with applications such as improving 3D printing technologies or the forecasting of thunderstorms. Coral reefs near equator less affected by ocean warming ScienceDaily: Latest Science News urn:uuid:03fa6083-6cf5-acbc-171e-39ab482a7b19 Wed, 20 Mar 2019 10:06:24 -0500 Ocean warming is threatening coral reefs globally, with persistent thermal stress events degrading coral reefs worldwide, but a new study has found that corals at or near the equator are affected less than corals elsewhere. Antibodies from earlier exposures affect response to new flu strains ScienceDaily: Latest Science News urn:uuid:46695141-f1c7-d56a-2993-b9480ee09ae1 Wed, 20 Mar 2019 10:06:19 -0500 Research highlights role of immunological imprinting -- or how the immune system fights the flu after previous exposure to the virus via infections or vaccinations -- in the elicitation of new antibodies. Ant larvae fight the offspring of parasitic queens ScienceDaily: Latest Science News urn:uuid:8326e748-c009-5006-a358-d3a514a304ac Wed, 20 Mar 2019 09:22:21 -0500 The eggs of a parasitic ant queen living off a foreign species may end up as food for the larvae of the host species. Active substance from plant slows down aggressive eye cancer ScienceDaily: Latest Science News urn:uuid:af460f5c-6b76-078d-e2a2-9b941724c910 Wed, 20 Mar 2019 09:22:13 -0500 An active substance that has been known for 30 years could unexpectedly turn into a ray of hope against eye tumors. This is shown by a new study. The plant leaves of which contain the tested substance is anything but rare: At Christmas time you can find it in every well-assorted garden center. How fluid viscosity affects earthquake intensity ScienceDaily: Latest Science News urn:uuid:d9dd5ec7-5dc4-9633-26cd-621195882058 Wed, 20 Mar 2019 09:22:10 -0500 Scientists have demonstrated that the viscosity of fluids present in faults has a direct effect on the intensity of earthquakes. Local extinction of Southern California mountain lions possible within 50 years ScienceDaily: Latest Science News urn:uuid:f6697153-b81b-750e-f8a8-384f8965a5e9 Wed, 20 Mar 2019 09:21:58 -0500 Two isolated mountain lion populations in southern California's Santa Ana and Santa Monica Mountains are at risk of local extinction, perhaps as soon as within 50 years, according to a study published in the journal Ecological Applications. The extinction risk is due to low genetic diversity and mortality that affects the stability of the population. But increasing connectivity could help. 'Chronoprints' identify samples by how they change over space and time ScienceDaily: Latest Science News urn:uuid:03eecdca-fc91-df34-0639-0468b5980301 Wed, 20 Mar 2019 09:21:28 -0500 Modern analytical tools like mass spectrometers can identify many unknown substances, allowing scientists to easily tell whether foods or medicines have been altered. However, the cost, size, power consumption and complexity of these instruments often prevent their use in resource-limited regions. Now, researchers report that they have developed a simple, inexpensive method to identify samples by seeing how they react to a change in their environment. Sniffing out Parkinson's disease ScienceDaily: Latest Science News urn:uuid:931f407f-aee5-72d9-362d-2cd68d6fae32 Wed, 20 Mar 2019 09:21:25 -0500 Parkinson's disease is a neurodegenerative disorder that leads to progressive brain cell death and extensive loss of motor function. Despite much research being conducted on this disease, there are no definitive diagnostic tests currently available. Now, researchers report the identification of compounds that make up the signature odor of the disease with the help an individual who can detect Parkinson's through smell. First ratings for youth football helmets address sport's largest pool of athletes ScienceDaily: Latest Science News urn:uuid:5d81ae68-1118-f2ed-ac26-94aca5a2abe5 Wed, 20 Mar 2019 09:21:22 -0500 With the release of youth football-helmet ratings -- consumers can see which helmets best reduce concussion risk. The recent spread of coyotes across North America did not doom deer populations ScienceDaily: Latest Science News urn:uuid:afc5daf3-ee7f-c973-39a5-111090703728 Wed, 20 Mar 2019 09:21:17 -0500 Coyotes eat deer, but not enough to limit the deer population at a large scale. A new study of deer numbers across the eastern United States has found that the arrival and establishment of coyote predators has not caused the number of deer harvested by hunters to decline. Effects on offspring of epigenetic inheritance via sperm ScienceDaily: Latest Science News urn:uuid:b6282311-cc6f-7c42-777e-e18e358d8745 Wed, 20 Mar 2019 09:21:14 -0500 As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expression be passed on from parents to their children and subsequent generations? Researchers have now demonstrated that epigenetic information carried by parental sperm chromosomes can cause changes in gene expression and development in the offspring. Beware of sleeping queen bumblebees underfoot this spring ScienceDaily: Latest Science News urn:uuid:a3adcf27-c2bf-d9c6-43fc-8a001227f792 Wed, 20 Mar 2019 09:21:12 -0500 Scientists have discovered a never before reported behavior of queen bumblebees.