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Phys.org is a science, research and technology news aggregator where much of the content is republished directly from press releases and news agencies-in a practice known as churnalism. It also produces some science journalism.Source
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Not bot, not beast: Scientists create first ever living, programmable organism

Not bot, not beast: Scientists create first ever living, programmable organism

A remarkable combination of artificial intelligence (AI) and biology has produced the world's first "living robots". This week, a research team of roboticists and scientists published their recipe for making a new lifeform called xenobots from stem cells. The term "xeno" comes from the frog cells (Xenopus laevis) used to make them. One of the researchers described the creation as "neither a traditional robot nor a known species of animal", but a "new class of artifact: a living, programmable organism". Xenobots are less than 1mm long and made of 500-1000 living cells. They have various...

March 1, 2021
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Scientists lead study of galaxy's 'water worlds'

Scientists lead study of galaxy's 'water worlds'

April 21, 2020by Karin Valentine,Astrophysical observations have shown that Neptune-like water-rich exoplanets are common in our galaxy. These "water worlds" are believed to be covered with a thick layer of water, hundreds to thousands of miles deep, above a rocky mantle.While -rich exoplanets are common, their composition is very different from Earth, so there are many unknowns in terms of these ' structure, composition and geochemical cycles.In seeking to learn more about these planets, an international team of researchers, led by Arizona State University, has provided one of the first...

April 21, 2020
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Precise magnets 3-D printed from special stainless steel

Precise magnets 3-D printed from special stainless steel

June 12, 2020byIt looks quite inconspicuous to the casual beholder, hardly like groundbreaking innovation: a small metallic chessboard, four millimeters long on either side. At first glance, it shines like polished steel; at second glance, minute differences in color are visible: The tiny chessboard has 16 squares, eight appear slightly darker, the other eight a bit lighter.The unassuming material sample goes to show that 3-D printing with the help of laser beams and is not only suitable for creating new geometric shapes, but also for producing new materials with completely new...

June 12, 2020
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'Artificial leaf' concept inspires research into solar-powered fuel production

'Artificial leaf' concept inspires research into solar-powered fuel production

May 4, 2020by Mike Williams,Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel.The platform developed by the Brown School of Engineering lab of Rice materials scientist Jun Lou integrates catalytic electrodes and that, when triggered by sunlight, produce electricity. The current flows to the catalysts that turn water into hydrogen and oxygen, with a sunlight-to-hydrogen efficiency as high as 6.7%.This sort of catalysis isn't new, but the lab packaged a layer and the electrodes into a single module that, when dropped into water...

May 4, 2020
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World can likely capture and store enough carbon dioxide to meet climate targets

World can likely capture and store enough carbon dioxide to meet climate targets

May 21, 2020byThe capture and storage of carbon dioxide (CO2) underground is one of the key components of the Intergovernmental Panel on Climate Change's (IPCC) reports on how to keep global warming to less than 2°C above pre-industrial levels by 2100.Carbon capture and (CCS) would be used alongside other interventions such as , energy efficiency, and electrification of the transportation sector.The IPCC used models to create around 1,200 technology scenarios whereby climate change targets are met using a mix of these interventions, most of which require the use of CCS.Now a new analysis...

May 21, 2020
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One-of-a-kind microscope enables breakthrough in quantum science

One-of-a-kind microscope enables breakthrough in quantum science

June 4, 2020byTechnion Professor Ido Kaminer and his team have made a dramatic breakthrough in the field of quantum science: a quantum microscope that records the flow of light, enabling the direct observation of light trapped inside a photonic crystal.Their research, "Coherent Interaction Between Free Electrons and a Photonic Cavity," was published in Nature. All the experiments were performed using a unique ultrafast transmission electron microscope at the Technion-Israel Institute of Technology. The microscope is the latest and most versatile of a handful that exist in the scientific...

June 4, 2020
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Scientists develop tool to sequence circular DNA

Scientists develop tool to sequence circular DNA

May 14, 2020by Katie Willis,A new tool invented by University of Alberta biologists to sequence circular DNA will provide scientists with richer, more accurate data that could help advance research on viruses, agriculture and perhaps even cancer.The —called CIDER-Seq, which uses DNA sequencing technology called PacBio—was made available online by the U of A researchers for other scientists to use, along with step-by-step lab and computer protocols for analyzing the DNA sequences."With our invention of CIDER-Seq, we can begin to understand the function of these mysterious circular DNAs in...

May 14, 2020
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Researchers identify role of turbulence for plasmas heating in solar flares

Researchers identify role of turbulence for plasmas heating in solar flares

July 6, 2020by Liu Jia,On July 2, The Astrophysical Journal published a numerical study on a solar flare current sheet (CS). Dr. Ye Jing from Yunnan Observatories of the Chinese Academy of Sciences and his collaborators in this study investigated the turbulent radiation features found in the extreme ultraviolet (EUV) observations.In the process of a solar eruption, a long current sheet develops connecting to the arcade, where vast amounts of energy are released via magnetic reconnection. Magnetohydrodynamic turbulence, such as plasmoids, chaotic structures in supra-arcade fans (SAFs),...

July 6, 2020
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Scientists use nanoparticle-delivered gene therapy to inhibit blinding eye disease in rodents

Scientists use nanoparticle-delivered gene therapy to inhibit blinding eye disease in rodents

July 7, 2020byIn experiments in rats and mice, two Johns Hopkins scientists—an engineer and an ophthalmologist—report the successful use of nanoparticles to deliver gene therapy for blinding eye disease. A uniquely engineered large molecule allows researchers to compact large bundles of therapeutic DNA to be delivered into the cells of the eye.The research, described July 3 in Science Advances, provides evidence of the potential value of nanoparticle-delivered to treat wet age-related macular degeneration—an characterized by abnormal blood vessel growth that damages the light-sensitive...

July 7, 2020
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Swift mission tallied water from interstellar comet Borisov

Swift mission tallied water from interstellar comet Borisov

April 27, 2020by Jeanette Kazmierczak,For the first time, NASA's Neil Gehrels Swift Observatory tracked water loss from an interstellar comet as it approached and rounded the Sun. The object, 2I/Borisov, traveled through the solar system in late 2019."Borisov doesn't fit neatly into any class of solar system comets, but it also doesn't stand out exceptionally from them," said Zexi Xing, a graduate student at the University of Hong Kong and Auburn University in Alabama who led the research. "There are known comets that share at least one of its properties."Comets are frozen clumps of gases...

April 27, 2020
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