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 2019-10-14 16:12 

Phys.org

Air pollution linked to 'missed' miscarriages in China: study...

Exposure to airborne pollutants increases the risk of "missed" miscarriages in which a fetus dies without a pregnant woman experiencing any noticeable symptoms, researchers said Monday....

 2019-10-14 15:00 

Phys.org

Shipment tracking for 'fat parcels' in the body...

Without fat, nothing works in the body: Fats serve as energy suppliers and important building blocks, including for the envelopes of living cells. Numerous diseases are related to disorders in fat metabolism such as obesity and cancer. Researchers from th...

 2019-10-14 15:00 

Phys.org

Lakes worldwide are experiencing more severe algal blooms...

The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes, which was conducted by Carnegie's Jeff Ho and Anna Michalak and NASA's Nima Pahlevan and ...

 2019-10-14 15:00 

Phys.org

Unique sticky particles formed by harnessing chaos...

New research from North Carolina State University shows that unique materials with distinct properties akin to those of gecko feet—the ability to stick to just about any surface—can be created by harnessing liquid-driven chaos to produce soft ...

 2019-10-14 15:00 

Phys.org

2I/Borisov: Interstellar comet with a familiar look...

A new comet discovered by amateur astronomer Gennady Borisov is an outcast from another star system, yet its properties are surprisingly familiar, a new study led by Jagiellonian University researchers shows. The team's findings are being published in...

 2019-10-14 15:00 

Phys.org

Unlocking the biochemical treasure chest within microbes...

Secondary metabolites—the compounds produced by microbes to mediate internal and external messaging, self-defense, and chemical warfare—are the basis for hundreds of invaluable agricultural, industrial, and medical products. And given the incr...

 2019-10-14 15:00 

Phys.org

Study reveals how mucus tames microbes...

More than 200 square meters of our bodies—including the digestive tract, lungs, and urinary tract—are lined with mucus. In recent years, scientists have found some evidence that mucus is not just a physical barrier that traps bacteria and viru...

 2019-10-14 15:00 

Phys.org

Study shows a much cheaper catalyst can generate hydrogen in a commercial device...

Researchers at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have shown for the first time that a cheap catalyst can split water and generate hydrogen gas for hours on end in the harsh environment of a commerc...

 2019-10-14 15:00 

Phys.org

How to control friction in topological insulators...

Topological insulators are innovative materials that conduct electricity on the surface, but act as insulators on the inside. Physicists at the University of Basel and the Istanbul Technical University have begun investigating how they react to friction. ...

 2019-10-14 15:00 

Phys.org

Scientists pinpoint cause of harmful dendrites and whiskers in lithium batteries...

Scientists have uncovered a root cause of the growth of needle-like structures—known as dendrites and whiskers—that plague lithium batteries, sometimes causing a short circuit, failure, or even a fire....

 2019-10-14 15:00 

Phys.org

The nano-guitar string that plays itself...

Scientists at Lancaster University and the University of Oxford have created a nano-electronic circuit which vibrates without any external force....

 2019-10-14 15:00 

Phys.org

Astronomers use giant galaxy cluster as X-ray magnifying lens...

Astronomers at MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, they spotted a tiny dwarf galaxy in its very first, high-energy stages of star for...

 2019-10-14 15:00 

Phys.org

Alphabet of 140 puzzle pieces programs origami...

How can a single origami crease pattern be folded into two precisely defined target shapes? Researchers at AMOLF and Leiden University have created an "alphabet" of 140 origami "puzzle pieces" that allows them to do just that, as described...

 2019-10-14 15:00 

Phys.org

Scientists reveal mechanism of electron charge exchange in molecules...

Researchers at the University of California, Irvine have developed a new scanning transmission electron microscopy method that enables visualization of the electric charge density of materials at sub-angstrom resolution....

 2019-10-14 13:42 

Phys.org

Clay minerals call the shots with carbon...

Clay minerals suspended in seawater binds sedimentary organic carbon to their mineral surfaces. But the quantity of carbon that is bound and the source of that carbon very much depends on the clay mineral in question. A research team from ETH Zurich and T...

 2019-10-14 13:42 

Phys.org

Researchers design new material using artificial intelligence...

Researchers at TU Delft have developed a new supercompressible but strong material without conducting any experimental tests at all, using only artificial intelligence (AI). "AI gives you a treasure map, and the scientist needs to find the treasure,&#...

 2019-10-14 13:30 

Phys.org

3-D integrated metasurfaces stacking up for impressive holography...

Physicists and materials scientists have developed a compact optical device containing vertically stacked metasurfaces that can generate microscopic text and full-color holograms for encrypted data storage and color displays. Yueqiang Hu and a research te...

 2019-10-14 13:16 

Phys.org

Astrophysicist suggests light might be a problem for life on a planet orbiting a black hole...

Jeremy Schnittman, an astrophysicist at NASA's Goddard Space Flight Center has taken what he describes as a tongue-in-cheek look at the issues that might stand in the way of life existing on a planet orbiting a black hole. He has written a paper outli...

 2019-10-14 13:00 

Phys.org

Open cluster ASCC 123 investigated in detail...

Using the Galileo National Telescope, astronomers have conducted a high-resolution spectroscopic study of the open cluster ASCC 123 as part of the Stellar Population Astrophysics (SPA) project. Results of the new research, presented in a paper published O...

 2019-10-14 12:15 

Phys.org

Under the sea: Study reveals secret building blocks of northern algae...

New research from U of T 's Mississauga and Scarborough campuses reveals fascinating secrets about the complex structure of a marine organism found around the globe. The data provides important new insights about a molecular mineralization process cre...

 2019-10-14 12:02 

Phys.org

Trio win Nobel Economics Prize for work on poverty...

A trio of American economists on Monday won the Nobel Economics Prize for their work in the fight against poverty, including with new approaches in education and healthcare, the Royal Swedish Academy of Sciences said....

 2019-10-14 12:00 

Phys.org

Scientists have first 3-D view of life's processes in liquid...

A new liquid-cell technology allows scientists to see living biological materials and systems in three dimensions under an electron microscope, according to researchers at Penn State, Virginia Tech and Protochips Inc....

 2019-10-14 11:56 

Phys.org

Best way to protect ocean fisheries? Let nations profit from them...

Overfishing is a major problem for the world's oceans, but a strategy adopted nearly 50 years ago has helped protect fisheries: giving nations exclusive rights to waters 200 miles offshore and letting them police their own fish stocks....

 2019-10-14 11:55 

Phys.org

The nature of obscured active galactic nuclei...

Most galaxies host a supermassive black hole (SMBH) at their nucleus, one whose mass exceeds a million solar-masses. When material actively accretes onto the SMBH, associated processes can produce an active galactic nucleus (AGN) with a hot torus and dram...

 2019-10-14 11:55 

Phys.org

Controlling the charge state of organic molecule quantum dots in a 2-D nanoarray...

A Monash University experimental study has fabricated a self-assembled, carbon-based nanofilm where the charge state (ie, electronically neutral or positive) can be controlled at the level of individual molecules, on a length scale of around one nanometer...

 2019-10-14 11:52 

Phys.org

New design strategy can help improve layered superconducting materials...

Scientists from Tokyo Metropolitan University have created a new layered superconducting material with a conducting layer made of bismuth, silver, tin, sulfur and selenium. The conducting layer features four distinct sublayers; by introducing more element...

 2019-10-12 09:25 

Phys.org

Hydrologic simulation models that inform policy decisions are difficult to interpret...

Hydrologic models that simulate and predict water flow are used to estimate how natural systems respond to different scenarios such as changes in climate, land use, and soil management. The output from these models can inform policy and regulatory decisio...

 2019-10-12 09:16 

Phys.org

Black holes stunt growth of dwarf galaxies...

Astronomers at the University of California, Riverside, have discovered that powerful winds driven by supermassive black holes in the centers of dwarf galaxies have a significant impact on the evolution of these galaxies by suppressing star formation....

 2019-10-11 20:22 

Phys.org

New research integrates borophene and graphene into 2-D heterostructures...

Nanomaterials could provide the basis of many emerging technologies, including extremely tiny, flexible, and transparent electronics....

 2019-10-11 17:58 

Phys.org

CO2 emissions cause lost labor productivity, research shows...

The planet's warming climate has led to countless changes that are affecting all of us. Droughts, hurricanes, rising sea levels and forest fires—all are now regular events in a world that saw close to 40 billion metric tons of carbon dioxide (CO...

 2019-10-11 17:57 

Phys.org

Private property, not productivity, precipitated Neolithic agricultural revolution...

Humankind first started farming in Mesopotamia about 11,500 years ago. Subsequently, the practices of cultivating crops and raising livestock emerged independently at perhaps a dozen other places around the world, in what archaeologists call the Neolithic...

 2019-10-11 17:07 

Phys.org

Six degrees of nuclear separation...

Argonne scientists look to 3-D printing to ease separation anxiety, which paves the way to recycle more nuclear material....

 2019-10-11 16:55 

Phys.org

Researchers rediscover fast-acting German insecticide lost in the aftermath of WWII...

A new study in the Journal of the American Chemical Society explores the chemistry as well as the complicated and alarming history of DFDT, a fast-acting insecticide....

 2019-10-11 16:06 

Phys.org

Vivid gladiator fresco discovered at Pompeii...

A vivid fresco depicting an armour-clad gladiator standing victorious as his wounded opponent stumbles gushing blood has been discovered in the ancient Roman city of Pompeii, Italy's culture ministry said Friday....

 2019-10-11 16:03 

Phys.org

Shaping nanoparticles for improved quantum information technology...

Particles that are mere nanometers in size are at the forefront of scientific research today. They come in many different shapes: rods, spheres, cubes, vesicles, S-shaped worms and even donut-like rings. What makes them worthy of scientific study is that,...

 2019-10-11 16:02 

Phys.org

Family of crop viruses revealed at high resolution for the first time...

For the first-time we can take a molecular-level look at one of the world's deadliest crop killers....

 2019-10-11 13:39 

Phys.org

The structure of master growth regulator...

A team of Whitehead Institute scientists has for the first time revealed the molecular structure of a critical growth regulator bound to its partner proteins, creating a fine-grained view of how they interact to sense nutrient levels and control cell grow...

 2019-10-11 13:37 

Phys.org

Research identifies chemical mechanism that shows how iron in soils can immobilize arsenic...

Sandia National Laboratories researchers have discovered the mechanism to "switch on" iron residing in clay mineral structures, leading to the understanding of how to make iron reactive under oxygen-free conditions....

 2019-10-11 13:35 

Phys.org

Liquid metals the secret ingredients to clean up environment...

Forget the laboratory, substances that can solve environmental problems by capturing carbon dioxide, decontaminating water and cleaning up pollutants can be easily created in a kitchen, a UNSW Sydney study shows....

 2019-10-11 12:51 

Phys.org

Radiation detector with the lowest noise in the world boosts quantum work...

Researchers from Aalto University and VTT Technical Research Centre of Finland have built a super-sensitive bolometer, a type of thermal radiation detector. The new radiation detector, made of a gold-palladium mixture makes it easier to measure the streng...

 2019-10-11 12:50 

Phys.org

National Audubon report claims two-thirds of North American birds at risk due to climate change...

A team of researchers working for the National Audubon Society has found evidence that suggests approximately two-thirds of North American breeding birds are at risk of extinction from climate change over the next century. The group has published the resu...

 2019-10-11 12:32 

Phys.org

Violent flaring revealed at the heart of a black hole system...

An international team of astronomers, led by the University of Southampton, have used state-of-the-art cameras to create a high frame-rate movie of a growing black hole system at a level of detail never seen before. In the process they uncovered new clues...

 2019-10-11 11:56 

Phys.org

Saving heather will help to save our wild bees...

A new study published today in the journal Current Biology from the Royal Botanic Gardens, Kew and Royal Holloway, University of London, has discovered that a natural nectar chemical in Calluna heather called callunene can act as a medicine to protect bum...

 2019-10-11 11:49 

Phys.org

An ultrafast glimpse of the photochemistry of the atmosphere...

Our lives are governed by submicroscopic processes in the nanocosmos. Indeed many natural phenomena begin with a minuscule shift in the states of atoms or molecules, triggered by radiation. One such process has now been elucidated by a team led by Prof. M...

 2019-10-11 11:38 

Phys.org

First man to conduct spacewalk, Alexei Leonov, dies...

Alexei Leonov, a Soviet-era cosmonaut who was the first man to conduct a spacewalk in 1965, died in Moscow on Friday aged 85 after a long illness....

 2019-10-11 10:59 

Phys.org

Florida mangroves reveal complex relationship between climate and natural systems...

Mangroves are tropical, salt-tolerant trees that grow in the intertidal zone of coastal waters. They don't tolerate cold weather, particularly extreme freezes, during which they die and get replaced by coastal salt marshes....

 2019-10-11 10:25 

Phys.org

Controlling superconducting regions within an exotic metal...

Researchers at EPFL have created a metallic microdevice in which they can define and tune patterns of superconductivity. Their discovery, which holds great promise for quantum technologies of the future, has just been published in Science....

 2019-10-11 10:22 

Phys.org

New compiler makes quantum computers two times faster...

A new paper from researchers at the University of Chicago introduces a technique for compiling highly optimized quantum instructions that can be executed on near-term hardware. This technique is particularly well suited to a new class of variational quant...

 2019-10-11 10:21 

Phys.org

Unlocking a 140-year-old secret in physics...

Semiconductors are the basic building blocks of today's digital, electronic age, providing us a multitude of devices that benefit our modern life, including computer, smartphones and other mobile devices. Improvements in semiconductor functionality an...

 2019-10-11 09:02 

Phys.org

A reliable clock for your microbiome...

For all the attention the human microbiome has been getting over the last few years, one aspect of such research rarely makes headlines: the difficulty of observing how it changes over time in response to various stimuli. The most common analysis method i...

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