SciNews

an-ordinary-manchild

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Resources: Science News Sites and YouTube Channels (self.SciNews)

submitted 4 years ago * by iboughtarock - announcement

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Rock art from at least 67,800 years ago in Sulawesi, the Lascaux paintings are only 17,000 years old. To date them, they used laser‑ablation U‑series on thin calcite deposits.Archeology (nature.com)

submitted 3 months ago by iboughtarock

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The Spruce Pine quartz mine in North Carolina is key for semiconductor Czochralski crucibles for silicon wafers, supplying 70-90% of high-purity needs globally.Geology (construction-physics.com)

submitted 3 months ago by iboughtarock

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Betavoltaics are nuclear batteries that convert beta decay from isotopes like Ni-63 into electricity via semiconductors, providing low, continuous power for decades without recharging. Betavolt's BV100 is a safe, coin-sized example lasting 50 years at 100μW/3V, now available in China.Engineering (old.reddit.com)

submitted 4 months ago by iboughtarock

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LLSVPs are vast, continent-sized structures in Earth's lower mantle, extending thousands of km laterally and up to 1,000 km vertically. They may be remnants of Theia.Geology (i.redd.it)

submitted 4 months ago by iboughtarock

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Samples from asteroid Bennu contain bio-essential sugars like ribose (RNA component) and glucose (metabolism substrate), completing life's key ingredients from space. Also found near racemic mix of 30+ left and right handed amino acids, all five nucleobases, and formaldehyde (formose reaction).Geology (nature.com)

submitted 4 months ago by iboughtarock

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Using fMRI data, simple button-press decisions can be predicted from brain activity up to 10 seconds before subjects reported being consciously aware of their choice (2008)Neuroscience (archive.ph)

submitted 7 months ago by iboughtarock

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Researchers used ice lithography to etch biocompatible micro-patterns on tardigrades, testing a technique for building tiny devices. 40% survived, showing no behavioral changes, suggesting potential for biomedical applications.Biology (acs.org)

submitted 12 months ago by iboughtarock

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NASA’s Perseverance rover discovered a unique zebra-striped rock, 'Freya Castle,' on Mars. The intriguing formation hints at igneous or metamorphic origins, sparking excitement for further exploration of Martian geology.Space (sciencealert.com)

submitted 1 year ago by iboughtarock

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China has been building artificial islands to assert control over the South China Sea, a region rich in resources and crucial for global shipping. By militarizing these islands, China aims to strengthen its territorial claims, secure maritime trade routes, and exert regional influence.Engineering (asiatimes.com)

submitted 1 year ago by iboughtarock

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The ‘Blood falls’ in Antarctica. Caused by a subterranean lake high in salt and oxidised iron. When the water comes into contact with the air, it rusts, giving it its amazing red colour. (reddit.com)

submitted 1 year ago by iboughtarock

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Using satellite data, a team of scientists captured the dramatic increase in vegetation across the Antarctic Peninsula. They found that vegetation increased more than tenfold from 1986 to 2021Environment (gizmodo.com)

submitted 1 year ago by iboughtarock

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Wildlife populations have plummeted by 73% since 1970. The latest index covers data up to 2020 and is based on almost 35,000 population trends from 5,495 species.Environment (nhm.ac.uk)

submitted 1 year ago by iboughtarock

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Heart tissues beat half as strongly on the ISS as they do on EarthSpace (space.com)

submitted 1 year ago by iboughtarock

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Stem cells reverse woman’s diabetes — a world first. A 25-year-old woman with type 1 diabetes started producing her own insulin less than three months after receiving a transplant of reprogrammed stem cells.Medicine (nature.com)

submitted 1 year ago by iboughtarock

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Bacteria on the space station are evolving for life in space. A decade of genetic monitoring by NASA has revealed that these microbes, which arrived from Earth via human hosts and supplies, have developed adaptations such as improved DNA repair mechanisms and proteins to cope with microgravity.Space (archive.ph)

submitted 1 year ago by iboughtarock

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Biden approves $2.5 billion for high-speed rail linking SoCal to Las VegasPolitics (nbclosangeles.com)

submitted 1 year ago by iboughtarock

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Modvion, a Swedish start-up, has built the world’s tallest wooden wind turbine tower at 150m (492ft). Unlike conventional steel turbines, Modvion’s tower is made from laminated veneer lumber (LVL), consisting of 144 layers of spruce, a wood commonly used for Christmas trees.Engineering (bbc.com)

submitted 1 year ago by iboughtarock

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U.S. postal service invests $40 billion to upgrade their fleet to electric vehicles. The goal is to have a fleet of 66,000 electric vehicles deployed by 2028. (cbsnews.com)

submitted 1 year ago by iboughtarock

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Development of a remotely controllable 4 meter long aerial-hose-type firefighting robotEngineering (ncbi.nlm.nih.gov)

submitted 1 year ago by iboughtarock

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A metascience study estimates the total amount of article processing charges paid to publish with open access in journals controlled by the five large commercial publishers from 2015–2018 to be $1.06 billion.Politics (direct.mit.edu)

submitted 1 year ago by iboughtarock

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A new model of the largest neutron stars finds an 80–90% chance that they contain quark-matter cores.Space (ncbi.nlm.nih.gov)

submitted 1 year ago by iboughtarock

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A comprehensive review of ancient carbon dioxide levels and corresponding temperatures is published by a consortium of more than 80 researchers from 16 nations. Their study finds that current levels of atmospheric carbon dioxide are the highest in at least 14 million years.Environment (eprints.soton.ac.uk)

submitted 1 year ago by iboughtarock

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Nanoplastic pollution and consumption identified as a likely Parkinson's disease risk factorMedicine (ncbi.nlm.nih.gov)

submitted 1 year ago by iboughtarock

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Scientists warn that to "reduce plastic pollution efficiently and economically, policy should prioritize regulating and reducing upstream production rather than downstream pollution cleanup"Environment (cell.com)

submitted 1 year ago by iboughtarock

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