Science News Science News Respective post owners and feed distributors Tue, 22 Jan 2013 09:53:08 -0600 Feed Informer Detecting bacteria in space ScienceDaily: Latest Science News urn:uuid:7d4a2595-8a89-699d-e5ab-06e56480bf6f Wed, 22 May 2019 13:18:45 -0500 A new genomic approach provides a glimpse into the diverse bacterial ecosystem on the International Space Station. Unlike men, women's cognitive performance may improve at higher room temperature ScienceDaily: Latest Science News urn:uuid:b4b85c0c-abd0-a210-5324-77a183e4e95d Wed, 22 May 2019 13:18:29 -0500 Women's performance on math and verbal tests is best at higher temperatures, while men perform best on the same tests at lower temperatures, according to a new study. Eating healthily at work matters ScienceDaily: Latest Science News urn:uuid:17565ec4-6a84-f171-04cf-d0b7509a850f Wed, 22 May 2019 13:18:27 -0500 A new study has demonstrated that employees at a large urban hospital who purchased the least healthy food in its cafeteria were more likely to have an unhealthy diet outside of work, be overweight and/or obese, and have risk factors for diabetes and cardiovascular disease, compared to employees who made healthier purchases. Examining ethical issues surrounding wearable brain devices marketed to consumers ScienceDaily: Latest Science News urn:uuid:b09fec07-720f-9f07-61bb-6e8dbe79d0ff Wed, 22 May 2019 13:18:18 -0500 Wearable brain devices are now being marketed directly to consumers and often claim to confer benefits like boosting memory and modulating symptoms of depression. A team of neuroethicists looked at the range of products being sold online and questioned the claims made by companies about these products. Parasites dampen beetle's fight or flight response ScienceDaily: Latest Science News urn:uuid:65932854-7257-8561-9423-215a2803ccdb Wed, 22 May 2019 13:18:16 -0500 Beetles infected with parasitic worms put up less of a fight against simulated attacks from predators and rival males, according to a new study. New study estimates preventable cancer burden linked to poor diet in the US ScienceDaily: Latest Science News urn:uuid:535f80e8-511e-f780-0ad6-35a35401faf6 Wed, 22 May 2019 13:18:14 -0500 A new study has estimated the association between suboptimal consumption of seven types of foods and specific cancers. They found that poor diet is on par with alcohol, excessive body weight, and physical activity. Good vibrations: Using piezoelectricity to ensure hydrogen sensor sensitivity ScienceDaily: Latest Science News urn:uuid:87f9d02b-d032-19a4-9026-fccbecb0229a Wed, 22 May 2019 11:06:09 -0500 Researchers have developed a new method that uses piezoelectric resonance to improve the manufacture of highly sensitive hydrogen sensors. By optimizing the gaps between palladium nanoparticles in the devices, they were able to increase the sensitivity by a factor of 12 over palladium nanoparticles fabricated by previous methods. The work in this study is important for the development of new sensing devices that are capable of detecting hydrogen at low concentration. The neural mechanisms that inhibit slow muscle activity during fast swimming in fish ScienceDaily: Latest Science News urn:uuid:d4015461-7317-e388-ee1c-b0bc9cd078e3 Wed, 22 May 2019 11:05:51 -0500 Using zebrafish larvae, biologists have discovered neural mechanisms that suppress slow muscle activity in fish swimming at high speeds. Charging into the future: novel rock salt for use in rechargeable magnesium batteries ScienceDaily: Latest Science News urn:uuid:f4457ad5-c497-e65c-b411-5f874b01d059 Wed, 22 May 2019 11:05:40 -0500 By synthesizing novel material for electrode that facilitates reversing of the chemistry of ions, a group of researchers combat the wasteful aspects of energy sources by laying an important foundation for the production of next-generation rechargeable magnesium secondary batteries. Three exocomets discovered around the star Beta Pictoris ScienceDaily: Latest Science News urn:uuid:794e13da-1886-c0a9-8515-2c1e16800b26 Wed, 22 May 2019 11:05:25 -0500 Three extrasolar comets have been discovered around the star Beta Pictoris, 63 light years away. Analysis of data from the current NASA mission TESS has revealed the objects for the first time using TESS data. 18 Earth-sized exoplanets discovered ScienceDaily: Latest Science News urn:uuid:19d702f3-4ce6-1a9c-cf09-74788cb68e05 Wed, 22 May 2019 11:05:23 -0500 Scientists have discovered 18 Earth-sized planets beyond the solar system. The worlds are so small that previous surveys had overlooked them. One of them is one of the smallest known so far; another one could offer conditions friendly to life. The researchers re-analyzed a part of the data from NASA's Kepler Space Telescope with a new and more sensitive method. Monkey-infecting virus may provide part of future HIV vaccine ScienceDaily: Latest Science News urn:uuid:6b11cc56-ef57-2696-a92b-6ced9fb63033 Wed, 22 May 2019 09:19:48 -0500 A protein from Simian Immunodeficiency Virus (SIV), which can infect monkeys and apes, has shown promise as a potential component of a vaccine against Human Immunodeficiency Virus (HIV). How augmented reality affects people's behavior ScienceDaily: Latest Science News urn:uuid:cd8f445a-5e18-053a-4fc7-41d5d662b084 Wed, 22 May 2019 09:19:44 -0500 Researchers found that people's interactions with a virtual person in augmented reality, or AR, influenced how they behaved and acted in the physical world. Why some parasitic worms persist in people ScienceDaily: Latest Science News urn:uuid:1baca6c3-910d-8750-7892-89e6ae7e9cf1 Wed, 22 May 2019 09:19:39 -0500 A new study may explain why some people struggle to expel parasitic worms that infect their intestines. The research suggests that the phenomenon is primarily a numbers game: Large groups of worms can overwhelm the immune system and kick-start a self-perpetuating cycle that nearly guarantees their survival, whereas smaller groups and lone worms cannot. Exposing vaccine hesitant to real-life pain of diseases makes them more pro-vaccine ScienceDaily: Latest Science News urn:uuid:72acfa76-9a55-80ea-db76-7068518bbbd0 Wed, 22 May 2019 07:15:18 -0500 New research finds there is a better way to help increase support for vaccinations: Expose people to the pain and suffering caused by vaccine-preventable diseases instead of trying to combat people with vaccine facts. Newly discovered hybrid molecules could serve as a novel category of anti-cancer agent ScienceDaily: Latest Science News urn:uuid:eb92ebef-78b9-324d-e069-01b249cff7f1 Wed, 22 May 2019 07:15:16 -0500 Researchers have developed and studied the biological activity of five new, metal-organic hybrid knotted molecules, termed metal-organic trefoil knots (M-TKs). These molecules can effectively deliver metals to cancer cells, demonstrating the potential to act as a new category of anti-cancer agents. Exercise may help teens sleep longer, more efficiently ScienceDaily: Latest Science News urn:uuid:36f4dea4-c7c7-e522-660d-6ec711e905f3 Wed, 22 May 2019 07:15:13 -0500 Getting more exercise than normal -- or being more sedentary than usual -- for one day is enough to affect sleep later that night. Researchers found that when teenagers got more physical activity than they usually did, they got to sleep earlier, slept longer and slept better that night. A light matter: Understanding the Raman dance of solids ScienceDaily: Latest Science News urn:uuid:e520c3a0-cb49-da2f-9648-7517a6bdd8dd Wed, 22 May 2019 07:15:09 -0500 Scientists investigated the excitation and detection of photogenerated coherent phonons in polar semiconductor GaAs through an ultrafast dual pump-probe laser for quantum interferometry. Aspirin green light for brain bleed stroke patients, study suggests ScienceDaily: Latest Science News urn:uuid:5f559a61-49d8-82f9-07ae-c5f3cb7a87ac Wed, 22 May 2019 07:15:02 -0500 People who suffer a stroke caused by bleeding in the brain -- known as brain haemorrhage -- can take common medicines without raising their risk of another stroke, a major clinical trial has found. Researchers say the findings are reassuring for the thousands of people who take the medicines to reduce their risk of heart attack and another common type of stroke caused by blood clots in the brain. Early life exposure to nicotine alters neurons, predisposes brain to addiction later ScienceDaily: Latest Science News urn:uuid:a603f80e-fa10-7c05-79e2-74b1439a2252 Tue, 21 May 2019 18:37:42 -0500 In a new mouse study, neonatal exposure to nicotine changed the biochemistry of reward circuitry in the brain. Researchers suggest the same mechanism may be at work in humans. Space travel and your joints ScienceDaily: Latest Science News urn:uuid:4438d0be-65eb-d304-98b2-d9740ceeca81 Tue, 21 May 2019 18:37:39 -0500 A novel study of mice aboard a Russian spaceflight may raise an intriguing question for the astronauts of tomorrow: Could traveling in space be bad for your joints? Researchers found early signs of cartilage breakdown in the mice, suggesting that the reduced biomechanical forces of spaceflight are at play on the musculoskeletal system. River valleys helped shape current genetic landscape of Han Chinese ScienceDaily: Latest Science News urn:uuid:0fd25bb3-2f2c-283c-e7ae-d3f2a0eb87c9 Tue, 21 May 2019 18:37:37 -0500 New research shows the importance of how the three main river valleys in China contributed to Han genetic diversity. Contact with nature during childhood could lead to better mental health in adulthood ScienceDaily: Latest Science News urn:uuid:65a7a109-d33e-7848-2b3f-40bbbeadb73e Tue, 21 May 2019 18:37:35 -0500 Almost 3,600 people participated in a European study on the impact of green and blue spaces on mental health and vitality. Women are less likely to be resuscitated and survive a cardiac arrest than men ScienceDaily: Latest Science News urn:uuid:50e37ad5-2930-073c-deee-9fb2b7716fc6 Tue, 21 May 2019 18:37:32 -0500 Women who have a cardiac arrest outside the hospital setting are less likely to receive resuscitation from bystanders and more likely to die than men, according to new research. Researchers looked at data from nearly 6,000 people who had resuscitation attempts between 2006 and 2012 and found that women were less likely to receive resuscitation attempts from bystanders and less likely to survive a cardiac arrest than men. New method could shed light on workers' historical radiation exposure ScienceDaily: Latest Science News urn:uuid:ab576ffc-025a-be7f-ca0e-9657dec9281b Tue, 21 May 2019 18:37:29 -0500 Researchers in the UK have developed a new method for evaluating plutonium workers' historical internal radiation exposure. They focused their efforts on workers employed at the start of plutonium operations at the Sellafield (formerly Windscale) nuclear reprocessing facility in the UK. Eastern forests shaped more by Native Americans' burning than climate change ScienceDaily: Latest Science News urn:uuid:0f2cb511-9a3c-2450-dbe3-7aa80dde164b Tue, 21 May 2019 15:24:43 -0500 Native Americans' use of fire to manage vegetation in what is now the Eastern United States was more profound than previously believed, according to a researcher who determined that forest composition change in the region was caused more by land use than climate change. Mathematicians revive abandoned approach to Riemann Hypothesis ScienceDaily: Latest Science News urn:uuid:2b9069bf-f7de-b3ba-da27-2e4140755c16 Tue, 21 May 2019 15:24:41 -0500 Many ways to approach the Riemann Hypothesis have been proposed during the past 150 years, but none of them have led to conquering the most famous open problem in mathematics. A new article suggests that one of these old approaches is more practical than previously realized. Potential breakthrough in understanding tumor dormancy ScienceDaily: Latest Science News urn:uuid:48c691cc-4fb6-a39f-8e2c-79ce756daa63 Tue, 21 May 2019 15:24:39 -0500 Scientists may have uncovered a primary method through which cancer cells exist undetected in an organism and received more than $1 million to investigate the potential for novel therapeutics that target and destroy cells in a specific state of tumor dormancy. Developing biosecurity tool to detect genetically engineered organisms in the wild ScienceDaily: Latest Science News urn:uuid:b1a410cf-1ff3-49b8-4503-25937b827230 Tue, 21 May 2019 15:24:37 -0500 If a genetically or synthetically engineered organism gets into the environment, how will we tell it apart from the millions of naturally occurring microorganisms? Recently, the US government and research scientists have identified a need for new tools that can detect engineered organisms that have been accidentally or intentionally released beyond the lab. Chemical engineers are developing a detection tool based on DNA signatures. With a hop, a skip and a jump, high-flying robot leaps through obstacles with ease ScienceDaily: Latest Science News urn:uuid:32c288ce-0e37-7d14-43be-c80ccc5f1c41 Tue, 21 May 2019 15:24:36 -0500 First unveiled in 2016, Salto the jumping robot stands at little less than a foot, but can vault over three times its height in a single bound. Now researchers have equipped the robot with a slew of new skills, giving it the ability to bounce in place like a pogo stick and jump through obstacle courses like an agility dog. Salto can even take short jaunts outside, powered by radio controller. Flamingoes, elephants and sharks: How do blind adults learn about animal appearance? ScienceDaily: Latest Science News urn:uuid:41d479db-e4a7-b949-0d09-9f4fb3a8a370 Tue, 21 May 2019 15:24:34 -0500 They've never seen animals like hippos and sharks but adults born blind have rich insight into what they look like, a new study found. Ammonium fertilized early life on Earth ScienceDaily: Latest Science News urn:uuid:b914da72-4e1c-7ec2-a4ad-7f0a6b3e48b0 Tue, 21 May 2019 15:24:32 -0500 New research demonstrates that ammonium was a vital source of nitrogen for early life on Earth. Geneticists continue to unravel how genes impact drug use and addiction ScienceDaily: Latest Science News urn:uuid:098ba811-77a0-75ec-97cf-bac4eec890c8 Tue, 21 May 2019 15:24:30 -0500 Research is revealing new insights into how genes impact drug use and addiction through a novel study of susceptibility to the effects of cocaine and methamphetamine in fruit flies. Strain enables new applications of 2D materials ScienceDaily: Latest Science News urn:uuid:21b3740f-ea49-36cc-a77a-ab8e53dccf77 Tue, 21 May 2019 15:24:28 -0500 Superconductors' never-ending flow of electrical current could provide new options for energy storage and superefficient electrical transmission and generation. But the signature zero electrical resistance of superconductors is reached only below a certain critical temperature and is very expensive to achieve. Physicists believe they've found a way to manipulate superthin, waferlike monolayers of superconductors, thus changing the material's properties to create new artificial materials for future devices. Extreme draining of reservoir aids young salmon and eliminates invasive fish ScienceDaily: Latest Science News urn:uuid:f43000cf-89b7-5034-2e02-a3ee3df654f7 Tue, 21 May 2019 15:24:25 -0500 A new study finds that the low-cost, extreme draining of a reservoir in Oregon aided downstream migration of juvenile chinook salmon -- and led to the gradual disappearance of two species of predatory invasive fish in the artificial lake. Children with cancer wait an average of 6.5 years longer than adults to access new drugs ScienceDaily: Latest Science News urn:uuid:8b9b3431-43a1-a8a2-514b-19614b3765bb Tue, 21 May 2019 15:24:23 -0500 An analysis of 117 cancer drugs approved by the US FDA over a 20-year period finds the drugs took a median of 6.5 years to go from the first clinical trial in adults to the first trial in children. Air pollution linked to childhood anxiety ScienceDaily: Latest Science News urn:uuid:81caa293-9abe-e93e-a39d-9361453b0165 Tue, 21 May 2019 15:24:21 -0500 A new study looks at the correlation between exposure to traffic-related air pollution (TRAP) and childhood anxiety, by looking at the altered neurochemistry in pre-adolescents. Multiple brain regions moderate and link depressive mood and pain ScienceDaily: Latest Science News urn:uuid:a55fdf23-29c4-f8e1-160a-1a92387df2da Tue, 21 May 2019 15:24:19 -0500 New research expands and deepens the association between clinical depression and pain, identifying specific regions of the brain that drive, influence and moderate depressive mood and its relationship to perceiving physical pain. Summit charts a course to uncover the origins of genetic diseases ScienceDaily: Latest Science News urn:uuid:f7434092-6900-563d-8a71-c6ceb8bf2627 Tue, 21 May 2019 15:24:17 -0500 A team used the 200-petaflop IBM AC922 Summit system, the world's smartest and most powerful supercomputer, to develop an integrative model of the transcription preinitiation complex (PIC), a complex of proteins vital to gene expression. Ecological factors influences the distribution of lionfish on deep reefs ScienceDaily: Latest Science News urn:uuid:07037d1f-fe4b-d03c-f7e5-1b288995dcb0 Tue, 21 May 2019 15:24:16 -0500 Diver-led visual surveys at 11 mesophotic reef sites around Bermuda found that high densities of lionfish were associated with both higher abundances of prey fish and higher prey fish biomass. However, the influence of seawater temperature was found to have the strongest effect on lionfish distribution, with higher lionfish densities recorded at sites with lower bottom temperatures. These results suggest that cold-water upwelling may result in higher abundances of prey fish and lionfish. Only half of US kids and teens have ideal cholesterol levels ScienceDaily: Latest Science News urn:uuid:0cc27f5e-1928-f0d8-97d7-9a56042d8b91 Tue, 21 May 2019 12:56:55 -0500 Cholesterol levels in US youth have improved from 1999 to 2016, but only half of children and adolescents are in the ideal range and 25% are in the clinically high range, according to a new study. No yield benefit to higher plant populations ScienceDaily: Latest Science News urn:uuid:7113feea-7882-7439-0d33-09b778f5afd8 Tue, 21 May 2019 12:56:53 -0500 Scientists have reviewed plant population studies published in 2000 or later. They found that yield is optimized at about 15,000 plants per acre (1.1 seed per foot in 40-inch rows), and contrary to popular belief, there is no yield benefit to high populations. Dawn-to-sunset fasting suggests potential new treatment for obesity-related conditions ScienceDaily: Latest Science News urn:uuid:9accbff5-7069-3a9d-40cb-7d9a657a194d Tue, 21 May 2019 12:56:49 -0500 Fasting from dawn to sunset for 30 days increased levels of proteins that play a crucial role in improving insulin resistance and protecting against the risks from a high-fat, high-sugar diet, according to researchers. Statistical model could predict future disease outbreaks ScienceDaily: Latest Science News urn:uuid:99f3c115-0712-a399-55d7-08025062d5b2 Tue, 21 May 2019 11:46:53 -0500 Researchers have created a statistical method that may allow public health and infectious disease forecasters to better predict disease reemergence, especially for preventable childhood infections such as measles and pertussis. Insulin under the influence of light ScienceDaily: Latest Science News urn:uuid:37254841-a9e6-66d5-6982-39f26be0b780 Tue, 21 May 2019 11:46:51 -0500 By understanding how the brain links the effects of insulin to light, researchers are deciphering how insulin sensitivity fluctuates according to circadian cycles. At the heart of their discovery are neurons of the ventromedial hypothalamic nucleus, a part of the brain that masters this balance. These results should also encourage diabetic patients to consider the best time to take insulin to properly control its effect and limit the risk of hypoglycemia. Exercise: Psych patients' new primary prescription ScienceDaily: Latest Science News urn:uuid:eb019904-2ad5-0495-4c29-76d8533e74ea Tue, 21 May 2019 11:46:50 -0500 A new study advocates for exercise as the primary method of treatment and intervention, rather than psychotropic medications, within inpatient psychiatric facilities. Stem cell differences could explain why women are more likely to develop adrenal cancer ScienceDaily: Latest Science News urn:uuid:7bd3c35a-47d4-ff01-f7e6-91a82d8d6250 Tue, 21 May 2019 11:46:47 -0500 Scientists have discovered a potential biological reason why women are more likely to develop adrenal disorders, including cancer. According to the researchers, the answer could lie in the increased turnover of hormone-producing cells found in the adrenal glands of females. Lake sediment records reveal recent floods in NW England (UK) unprecedented ScienceDaily: Latest Science News urn:uuid:f4e522ec-ef64-1575-5107-6d27f3229e26 Tue, 21 May 2019 11:46:44 -0500 A new study of UK lake sediment records stretching back over several centuries has found that the floods that hit Northern England in 2009 and 2015 ('Storm Desmond'),were the largest in 600 years, pointing to the impact of climate changes on the frequency and magnitude of these extreme events. Re-designing hydrogenases ScienceDaily: Latest Science News urn:uuid:f765d9c6-ad92-46b0-04c0-5a25fac13abe Tue, 21 May 2019 11:46:42 -0500 Chemists have synthesized the first ever functional non-native metal hydrogenase. Original kilogram replaced -- new International System of Units (SI) entered into force ScienceDaily: Latest Science News urn:uuid:0cdc9664-8841-22ab-7324-17d09e024924 Tue, 21 May 2019 11:46:37 -0500 In addition to other scientific units, the kilogram also is now defined by a natural constant. This is made possible by single crystals grown from highly enriched silicon-28.