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| Scientists grow mini human brains Posted: 30 Jul 2016 12:45 PM PDT Mini midbrains provide next generation platforms to investigate human brain biology, diseases and therapeutics, report scientists. |
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| Replication project investigates self-control as limited resource Posted: 29 Jul 2016 11:30 AM PDT A new research replication project, involving 24 labs and over 2,100 participants, failed to reproduce findings from a previous study that suggested that self-control is a depletable resource. |
| Human nose holds novel antibiotic effective against multiresistant pathogens Posted: 29 Jul 2016 06:30 AM PDT A potential lifesaver lies unrecognized in the human body: Scientists have discovered that Staphylococcus lugdunensis which colonizes in the human nose produces a previously unknown antibiotic. As tests on mice have shown, the substance which has been named Lugdunin is able to combat multiresistant pathogens, where many classic antibiotics have become ineffective. |
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| Swirling data: Boosting computing power and info transfer rates tenfold Posted: 28 Jul 2016 12:50 PM PDT Like a whirlpool, a new light-based communication tool carries data in a swift, circular motion. The optics advancement could become a central component of next generation computers designed to handle society's growing demand for information sharing. It may also be a salve to those fretting over the predicted end of Moore's Law. |
| No dream: Electric brain stimulation during sleep can boost memory Posted: 28 Jul 2016 11:32 AM PDT For the first time, scientists report using transcranial alternating current stimulation, or tACS, to target a specific kind of brain activity during sleep and strengthen memory in healthy people. |
| Posted: 28 Jul 2016 09:53 AM PDT Music can influence how much you like the taste of beer, according to a new study. |
| Physicist offers leading theory about mysterious Large Hadron Collider excess Posted: 28 Jul 2016 08:03 AM PDT In December of last year, scientists at the Large Hadron Collider in Europe announced startling results hinting at the existence of an undiscovered subatomic particle -- one with a mass six times heavier than the Higgs boson, the particle that made headlines in 2012. The evidence is still thin, but if more data confirm the finding, it could sharpen humankind's understanding of the building blocks of the universe. |
| Microswimmer robot chains can decouple and reconnect in a magnetic field Posted: 28 Jul 2016 07:12 AM PDT Researchers have successfully pulled off a feat that both sci-fi fans and Michael Phelps could appreciate. Using a rotating magnetic field they show how multiple chains of microscopic magnetic bead-based robots can link up to reach impressive speeds swimming through in a microfluidic environment. Their finding is the latest step toward using the so-called 'microswimmers' to deliver medicine and perform surgery inside the body. |
| Brain areas altered during hypnotic trances identified Posted: 28 Jul 2016 07:09 AM PDT By scanning the brains of subjects while they were hypnotized, researchers were able to see the neural changes associated with hypnosis. |
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| Did the LIGO gravitational waves originate from primordial black holes? Posted: 27 Jul 2016 07:34 AM PDT Binary black holes recently discovered by the LIGO-Virgo collaboration could be primordial entities that formed just after the Big Bang, report Japanese astrophysicists. If further data support this observation, it could mark the first confirmed finding of a primordial black hole, guiding theories about the beginnings of the universe. |
| Researcher discovers unique anatomical characteristic in barnacle study Posted: 26 Jul 2016 09:42 AM PDT A new study looked at the male sexual organ of barnacles, which it turns out is a marine creature that has been studied dating all the way back to Charles Darwin. |
| Driving, thinking, dreaming: Why motoring can be therapeutic Posted: 26 Jul 2016 06:48 AM PDT Although driving is now more commonly associated with road-rage than relaxation – at least in congested urban areas – research into the ways in which the concentration required for driving can positively direct and structure thought raises interesting questions for a 'driverless' future. |
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| Novel state of matter: Observation of a quantum spin liquid Posted: 26 Jul 2016 09:33 AM PDT A novel and rare state of matter known as a quantum spin liquid has been empirically demonstrated in a monocrystal of the compound calcium-chromium oxide. According to conventional understanding, a quantum spin liquid should not be possible in this material. A theoretical explanation for these observations has now also been developed. |
| Sexual rivalry may drive frog reproductive behaviors Posted: 26 Jul 2016 09:29 AM PDT Biologists have long thought that some frogs evolved to mate on land instead of in water to better guard eggs and tadpoles from predation. New research now suggests that mating on land in many species might be a strategy male frogs use to ensure that their own DNA gets passed on, instead of their rivals'. Sexual selection may trump natural selection in the evolution of these reproductive behaviors. |
| Americans worried about using gene editing, brain chip implants and synthetic blood Posted: 26 Jul 2016 09:28 AM PDT Many in the general public think scientific and technological innovations bring helpful change to society, but they are more concerned than excited when it comes to the potential use of emerging technologies to make people's minds sharper, their bodies stronger and healthier than ever before, according to a new survey. A majority of Americans would be 'very' or 'somewhat' worried about gene editing (68%); brain chips (69%); and synthetic blood (63%), while no more than half say they would be enthusiastic about each of these developments. While some people say they would be both enthusiastic and worried, overall, concern outpaces excitement. |
| Postcards provide link to Edwardian social media Posted: 26 Jul 2016 06:48 AM PDT A new public searchable database provides access to a unique and inspirational treasure trove of amazing stories and pictures through what researchers term the 'social media' of the Edwardian era. |
| Any picture or text could be inkjet-printed as a solar cell Posted: 26 Jul 2016 06:44 AM PDT Any picture or text could be inkjet-printed as a solar cell, using a newly developed technology. When light is absorbed in an ordinary ink, it generates heat. A photovoltaic ink, however, coverts part of that energy to electricity. The darker the color, the more electricity is produced, because the human eye is most sensitive to that part of the solar radiation spectrum which has highest energy density. |
| Height rankings revealed: Dutch men and Latvian women tallest in world Posted: 26 Jul 2016 06:44 AM PDT Dutch men and Latvian women are the tallest on the planet, according to the largest ever study of height around the world. |
| Japanese tadpoles relax in hot springs Posted: 26 Jul 2016 06:43 AM PDT Japanese tadpoles can live and grow in natural hots springs, or onsen, with water temperatures as high as 46.1oC (115oF). Living in onsen may benefit the tadpoles' immune systems, speed their growth, and allow the tadpoles to survive on small volcanic islands where there are few other natural sources of fresh water. |
| Historical love-affair with indulgent foods Posted: 26 Jul 2016 06:41 AM PDT Our desire for indulgent meals may be over 500 years old. A new analysis of European and American paintings across five centuries shows that salt, bread, sausage, and shellfish were among the most commonly depicted foods in paintings of meals from 1500 to 2000 AD. |
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| Astronomers discover dizzying spin of the Milky Way galaxy's 'halo' Posted: 25 Jul 2016 12:11 PM PDT Astronomers have discovered for the first time that the hot gas in the halo of the Milky Way galaxy is spinning in the same direction and at comparable speed as the galaxy's disk, which contains our stars, planets, gas, and dust. This new knowledge sheds light on how individual atoms have assembled into stars, planets, and galaxies like our own, and what the future holds for these galaxies. |
| Human 'super predator' more terrifying than bears, wolves and dogs Posted: 25 Jul 2016 10:53 AM PDT Bears, wolves and other large carnivores are frightening beasts but the fear they inspire in their prey pales in comparison to that caused by the human 'super predator.' A new study demonstrates that smaller carnivores, like European badgers, that may be prey to large carnivores, actually perceive humans as far more frightening. |
| Spiders spin unique phononic material Posted: 25 Jul 2016 10:53 AM PDT How spider silk transmits phonons -- quanta of sound -- could inspire novel materials to manipulate sound and heat, according to scientists. |
| Posted: 25 Jul 2016 10:53 AM PDT Scientists continue to unravel the mystery of life on Mars by investigating evidence of water in the planet's soil. Previous observations of soil observed along crater slopes on Mars showed a significant amount of perchlorate salts, which tend to be associated with brines with a moderate pH level. However, researchers have stepped back to look at the bigger picture through data collected from the 2001: Mars Odyssey, and found a different chemical on Mars may be key. |
| Ultra-flat circuits will have unique properties Posted: 25 Jul 2016 10:37 AM PDT Theoretical physicists have analyzed the electronic consequences of creating circuits in two dimensions by simulating the juxtaposition of different atom-thick materials like graphene and hexagonal boron nitride. |
| Posted: 25 Jul 2016 09:20 AM PDT It looks like a bicycle chain, but has just twelve segments about the size of a fist. In each segment there is a motor. This describes pretty much the robot developed by the four bachelor students in Computer Engineering. |
| Self-healing textiles not only repair themselves, but can neutralize chemicals Posted: 25 Jul 2016 09:18 AM PDT Someday, chemically protective suits made of fabric coated in self-healing, thin films may prevent farmers from exposure to organophosphate pesticides, soldiers from chemical or biological attacks in the field and factory workers from accidental releases of toxic materials, according to a team of researchers. |
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| Unconventional quasiparticles predicted in conventional crystals Posted: 21 Jul 2016 12:12 PM PDT An international team of researchers has predicted the existence of several previously unknown types of quantum particles in materials. The research represents the newest avenue in the physics of 'topological materials,' an area of science that has already fundamentally changed the way researchers see and interpret states of matter. |
| How humans and wild birds collaborate to get precious resources of honey and wax Posted: 21 Jul 2016 12:10 PM PDT By following honeyguides, a species of bird, people in Africa are able to locate bees' nests to harvest honey. Research now reveals that humans use special calls to solicit the help of honeyguides and that honeyguides actively recruit appropriate human partners. This relationship is a rare example of cooperation between humans and free-living animals. |
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| New remote-controlled microrobots for medical operations Posted: 22 Jul 2016 07:41 AM PDT Scientists have developed a new method for building microrobots that could be used in the body to deliver drugs and perform other medical operations. |
| Blood of King Albert I identified after 80 years Posted: 22 Jul 2016 06:29 AM PDT The death of King Albert I of Belgium in 1934 -- officially a climbing accident -- still fuels speculation. Forensic geneticists have now compared DNA from blood found on the scene in 1934 to that of two distant relatives. Their analysis confirms that the blood really is that of Albert I. This conclusion is at odds with several conspiracy theories about the king's death. |
| Hey robot, shimmy like a centipede Posted: 22 Jul 2016 06:29 AM PDT Researchers have used computer simulations and robotics to uncover a surprising insight into the mechanics of locomotion, namely that taming instability -- a factor that might be a disadvantage -- is a key to the centipede's success. |
| Ancient feces provides earliest evidence of infectious disease being carried on Silk Road Posted: 21 Jul 2016 04:40 PM PDT Intestinal parasites as well as goods were carried by travelers on the iconic route, say researchers examining an ancient latrine. |
| We're lucky climate change didn't happen sooner Posted: 21 Jul 2016 11:34 AM PDT There is some consolation in how the fossil fuel-induced climatic changes we increasingly experience through droughts and storm surges are playing out. It could have happened sooner, and therefore already have been much worse. |
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| Temperature helps drive the emergence of different personalities in spiders Posted: 21 Jul 2016 12:14 PM PDT Not a single aggressive spider was able to reproduce at 93 degrees Fahrenheit and most of them died at that temperature. But when researchers added docile spiders to the mix, the aggressive spiders thrived in that diverse community at that temperature. |
| Large protein nanocages could improve drug design and delivery Posted: 21 Jul 2016 12:12 PM PDT Using novel computational and biochemical approaches, scientists have designed and built from scratch 10 large protein icosahedra that are similar to viral capsids that carry viral DNA. |
| Scientists program cells to remember and respond to series of stimuli Posted: 21 Jul 2016 12:12 PM PDT Engineers have programmed cells to remember and respond to events. This approach to circuit design enables scientists to create complex cellular state machines and track cell histories. |
| Atmospheric chemistry on paper Posted: 21 Jul 2016 07:55 AM PDT Normally computers speed up calculations. But with his new pen-and-paper formula, a researcher gets his results thousands of times faster than using conventional computer codes. The astrophysicist calculates the abundances of molecules (known as atmospheric chemistry) in exoplanetary atmospheres. Ultimately, deciphering the abundances of molecules allows us to interpret if features in a spectrum are due to physics, geology or biology. |
| Self-organizing smart materials that mimic swarm behavior Posted: 21 Jul 2016 07:44 AM PDT Scientists have successfully demonstrated the self-organizing pattern formation in active materials at microscale with computer simulations. |
| Light-bulb moment for stock market behavior Posted: 21 Jul 2016 04:30 AM PDT Physicists have discovered that the timing of electronic orders on the stock market can be mathematically described in the same way as the lifetime of a light bulb. |
| Students calculate how to build Star Trek photon torpedoes Posted: 21 Jul 2016 04:28 AM PDT Physics students have boldly gone where no student has gone before -- by calculating one way to potentially build photon torpedoes seen in the Star Trek universe. |
| To protect yourself from malaria sleep with a chicken next to your bed Posted: 20 Jul 2016 06:51 PM PDT For the first time, scientists have shown that malaria-transmitting mosquitoes actively avoid feeding on certain animal species such as chickens, using their sense of smell. Odors emitted by species such as chickens could provide protection for humans at risk of mosquito-transmitted diseases, according to a study. |
| Reading Harry Potter lowers Americans' opinions of Donald Trump, study finds Posted: 20 Jul 2016 09:55 AM PDT Can Harry Potter defeat Donald Trump? A new study has found that Americans who read Harry Potter books hold a lower opinion of Donald Trump, even after controlling for many factors like party, gender, education, and age. |
| Cosmetic therapy: The link between makeup and a down economy Posted: 19 Jul 2016 01:18 PM PDT During tough economic times, women engage in the "lipstick effect," stocking up on cosmetics and beauty products. The phenomenon has occurred during every major recession in U.S. history and multiple explanations for it have been proposed, but new research shows that women's motivations during these economically challenging times have moved beyond women's instinctive need for a male provider and toward getting ahead at work. |
| 'Jumping film' harnesses the power of humidity Posted: 18 Jul 2016 10:26 AM PDT Scientists have developed a film that curls up and straightens out autonomously when exposed to tiny, barely measurable changes in ambient humidity. When irradiated with ultraviolet light, which causes changes in the film's ability to absorb and desorb water, it can even 'jump' into the air. |
| Computational design tool transforms flat materials into 3-D shapes Posted: 18 Jul 2016 08:16 AM PDT A new computational design tool can turn a flat sheet of plastic or metal into a complex 3-D shape, such as a mask, a sculpture or even a lady's high-heel shoe. Researchers say the tool enables designers to fully and creatively exploit an unusual quality of certain materials -- the ability to expand uniformly in two dimensions. |
| Posted: 13 Jul 2016 07:35 AM PDT In the name of spit science, Douglas Granger and his colleagues have collected saliva samples from a restless polar bear, a college marching band and Navy medics dodging bullets in simulated combat. The mouthwatering liquid is a gold mine of information, says Granger, an "oral fluid" expert. A fraction of a drop of spit can be used to measure stress, decipher relationship dynamics, predict heart trouble and even help football players train more effectively. |
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| Putting the Sloth in Sloths: Arboreal Lifestyle Drives Slow Motion Pace Posted: 20 Jul 2016 02:04 PM PDT Scientists set out to measure the energetics of wild two- and three-toed sloths at a field site in in northeastern Costa Rica. The purpose of the study was to help explain why arboreal folivores are indeed so rare and why more animals have not evolved to take advantage of a widespread ecological niche. |
| Asteroid that formed moon's Imbrium Basin may have been protoplanet-sized Posted: 20 Jul 2016 10:56 AM PDT The asteroid that slammed into the moon 3.8 billion years ago creating the Imbrium Basin may have had a diameter of at least 150 miles, according to a new estimate. The work helps explain puzzling geological features on the moon's near side, and has implications for understanding the evolution of the early solar system. |
| Social robots: Programmable by everyone Posted: 20 Jul 2016 06:46 AM PDT Social robots can be used in the educational or health system, where they would support trainers and therapists in their work. The robots can be programmed to practice vocabulary with children or to make rehabilitation exercises with stroke patients. |
| A chair for getting fit and trim Posted: 20 Jul 2016 06:46 AM PDT Getting fit and athletic -- while sitting? Researchers are developing an active chair. At first glance, the chair looks just like another other reclining chair with a footrest you would find in a living room in front of the TV. But upon closer inspection, the chair is actually connected to a virtual avatar and has all manner of technical refinements. |
| Medieval water power initiated collapse of salmon stocks Posted: 20 Jul 2016 06:44 AM PDT Salmon largely disappeared from our waters due to the construction of water mills, ecologists now conclude. The construction of water mills caused the destruction of the gravel beds in streams, making them unsuitable for salmon to spawn. Whereas it was previously thought that water contamination was the most likely explanation, archival research demonstrates that salmon stocks had already dwindled prior to the invention of the steam engine. |
| After the age of dinosaurs came the age of ant farmers Posted: 20 Jul 2016 06:42 AM PDT Soon after the demise of the dinosaurs, ants learned how to farm. The story of the mutualism between leafcutter ants and their fungal crop culminates in industrial-scale farming that surpasses even human farming in its efficiency. |
| Microbe drives species apart: Tiny microbe turns tropical butterfly into male killer Posted: 19 Jul 2016 06:48 PM PDT A male-killing microbe has now been identified in a tropical butterfly called the African Queen, which leads to the death of all sons when a mother is infected. |
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| Why you'd better never have to ask the way when visiting the Northern Territory in Australia Posted: 19 Jul 2016 02:34 PM PDT Rather than using abstract directionals, speakers of Murrinhpatha make reference to locations of interest using named landmarks, demonstratives and pointing. And because pointing is necessary for direction giving, people of the region point a great deal. |
| Surface tension can sort droplets for biomedical applications Posted: 19 Jul 2016 12:22 PM PDT Scientists have engineered a simple and inexpensive device that can sort droplets of liquid based solely on the liquids' varying surface tensions. |
| Scientists create new thin material that mimics cell membranes Posted: 19 Jul 2016 11:47 AM PDT Materials scientists have created a new material that performs like a cell membrane found in nature. Such a material has long been sought for applications as varied as water purification and drug delivery. The material can assemble itself into a sheet thinner but stabler than a soap bubble, the researchers report. |
| Electron spin control: Levitated nanodiamond is research gem Posted: 19 Jul 2016 09:42 AM PDT Researchers have demonstrated how to control the 'electron spin' of a nanodiamond while it is levitated with lasers in a vacuum, an advance that could find applications in quantum information processing, sensors and studies into the fundamental physics of quantum mechanics. |
| X marks the spot at the center of the Milky Way galaxy Posted: 19 Jul 2016 09:30 AM PDT Two astronomers -- with the help of Twitter--have uncovered the strongest evidence yet that an enormous X-shaped structure made of stars lies within the central bulge of the Milky Way Galaxy. |
| Minimalist swimming microrobots Posted: 19 Jul 2016 09:30 AM PDT When scaling down robots to the micrometer scale for tiny tasks such as incising tissue and puncturing retinal veins, minimalism is key. To make smaller, simpler microrobots, researchers have developed a fabrication method which utilizes the minimum geometric requirements for fluid motion -- consisting of just two conjoined microparticles coated with bits of magnetic debris. |
| House-hunting ants know how to take the hassle out of moving Posted: 19 Jul 2016 08:02 AM PDT Ants employ a few simple and flexible rules to ensure that moving a colony to a new nest does not end in chaos, especially if this is done over some distance. A new study indicates that when it comes to giving directions, ants have it down to a fine art. |
| Scientists develop plastic flexible magnetic memory device Posted: 19 Jul 2016 07:54 AM PDT Scientists have successfully embedded a powerful magnetic memory chip on a flexible plastic material. This malleable memory chip hails a breakthrough in the flexible electronics revolution, and brings researchers a step closer towards making flexible, wearable electronics a reality in the near future. |
| New detector overcomes key challenge in using light for wireless communications Posted: 19 Jul 2016 07:54 AM PDT In an advance that could one day make light-based wireless communications ubiquitous, researchers have demonstrated a conceptually new approach for detecting optical communication signals traveling through the air. |
| Is schizophrenia a disorder of the immune system? Posted: 19 Jul 2016 06:42 AM PDT Using data from the largest ever genetic study of schizophrenia, researchers have shed light on the role of the immune system. |
| Weird quantum effects stretch across hundreds of miles Posted: 19 Jul 2016 06:16 AM PDT Scientists have discovered strange quantum effects hold, even over hundreds of miles. In longest test of quantum mechanics, researchers find neutrinos, traveling over 450 miles at close to speed of light, have no single identity. |
| Scientists predict academic acheivement from DNA alone Posted: 19 Jul 2016 06:16 AM PDT Scientists have used a new genetic scoring technique to predict academic achievement from DNA alone. This is the strongest prediction from DNA of a behavioral measure to date. |
| Ridiculously cute mouse lemurs hold key to Madagascar's past Posted: 18 Jul 2016 01:09 PM PDT Scientists studied mouse lemur DNA to determine how Madagascar's landscape changed over time -- since the lemurs are forest-dependent, changes in their DNA show how Madagascar's forests changed thousands of years ago. The study indicates that Madagascar's habitats were changing long before humans arrived on the island. |
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| The birth of quantum holography: Making holograms of single light particles! Posted: 18 Jul 2016 10:32 AM PDT Until quite recently, creating a hologram of a single photon was believed to be impossible due to fundamental laws of physics. However, scientists have now successfully applied concepts of classical holography to the world of quantum phenomena. A new measurement technique has enabled them to register the first ever hologram of a single light particle, thereby shedding new light on the foundations of quantum mechanics. |
| Researchers use acoustic voxels to embed sound with data Posted: 18 Jul 2016 10:32 AM PDT Researchers have developed a method to control sound waves, using a computational approach to inversely design acoustic filters that fit within an arbitrary 3-D shape while achieving target sound filtering properties. They designed acoustic voxels, small, hollow, cube-shaped chambers through which sound enters and exits, as a modular system. Like LEGOs, the voxels can be connected to form a complex structure and can modify the structure's acoustic filtering property. |
| Smallest hard disk to date writes information atom by atom Posted: 18 Jul 2016 10:30 AM PDT Every day, modern society creates more than a billion gigabytes of new data. To store all this data, it is increasingly important that each single bit occupies as little space as possible. A team of scientists managed to bring this reduction to the ultimate limit: they built a memory of 1 kilobyte (8,000 bits), where each bit is represented by the position of one single chlorine atom. |
| Researchers build a crawling robot from sea slug parts and a 3-D printed body Posted: 18 Jul 2016 08:16 AM PDT Researchers have combined tissues from a sea slug with flexible 3-D printed components to build 'biohybrid' robots to manage different tasks than an animal or purely humanmade robot could. |
| Tiny transformers: Chemists create microscopic and malleable building blocks Posted: 18 Jul 2016 06:31 AM PDT Taking a page from Jonathan Swift's 'Gulliver's Travels,' a team of scientists has created malleable and microscopic self-assembling particles that can serve as the next generation of building blocks in the creation of synthetic materials. |
| 'Smart' thread collects diagnostic data when sutured into tissue Posted: 18 Jul 2016 06:31 AM PDT Researchers, for the first time, have integrated nano-scale sensors, electronics and microfluidics into threads -- ranging from simple cotton to sophisticated synthetics -- that can be sutured through multiple layers of tissue to gather diagnostic data wirelessly. |
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