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Dying cells in the gut of fruit flies (Drosophila melanogaster) signal for their own replacement. Credit: DENNIS KUNKEL MICROSCOPY/SPL Cell biology 25 November 2020 Dying cells can revive for long enough to trigger their own replacement. Zombies are a staple of apocalyptic movies, but not all the living dead are evil. In the guts of
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Sweden is getting on board India’s Venus orbiter mission ”Shukrayaan” with a scientific instrument to explore the planet. Ambassador of Sweden to India, Klas Molin said Swedish Institute of Space Physics (IRF) is engaged in the venture, its second collaborative project with the Indian Space Research Organisation (ISRO). “IRF’s satellite instrument Venusian Neutrals Analyzer (VNA)
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Alphabet‘s self-driving car company Waymo is asking drivers to agree to stricter Covid-19 safety protocols, adding that it may not be able to afford continuing to pay employees in the future, especially if it has to shut down services again. Leadership from Waymo and its contractor, transportation company Transdev, sent drivers and support staff an
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A mud volcano in Shirvan National Park, Azerbaijan. Researchers have investigated how similar mud volcanoes could form under water. Credit: Alamy Geology 26 November 2020 Trapped gas causes buried sediments to flow like water, rising and erupting dangerously at the sea floor. Mud volcanoes are an unpredictable and dangerous phenomenon — but now scientists have
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Sugar. A variant on the sweetest ingredient in many a sumptuous holiday feast, glycolaldehyde has now been found in a star-forming region of space far from the galactic center called G31.41+0.31, about 26,00 light years away from Earth. Directly linked to the origin of life, glycolaldehyde is an advantageous find for researchers seeking out habitable
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SAN FRANCISCO – Fleet operator Inmarsat and communications technology firm Addvalue Innovation announced success Nov. 23 relaying data between Capella Space’s operations center on the ground and Capella’s Sequoia synthetic aperture radar satellite in low Earth orbit. For years, London-based Inmarsat and Addvalue Innovation, a subsidiary of Singapore-based Addvalue Technologies Ltd., have worked together to
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A new method for detecting pyrethroid pesticides in honey that is very harmful to honeybees is now available. University of Waterloo researchers developed a fully automated and environment-friendly technique to extract pyrethroids from samples of honey. Massive Die-Offs of Bees Colony collapse disorder or CCD is a condition wherein the worker honeybees do not return
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HELSINKI — A Long March 5 rocket launched China’s Chang’e-5 spacecraft Monday to kick off a 23-day mission to deliver the first lunar samples to Earth since the 1970s. The heavy-lift Long March 5 lifted off from the Wenchang Satellite Launch Center at 3:30 p.m. Eastern. The Chang’e-5 spacecraft was announced to have successfully entered
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SpaceX will continue beta testing its satellite-based broadband service Starlink into next year, the company said late Tuesday, indicating commercial service would not likely be offered in 2020 as previously planned. Hawthorne, California-based SpaceX, Elon Musk’s private space exploration company, has launched nearly 900 Starlink satellites to orbit since 2019 with the goal of offering
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Attendees at Amazon.com Inc annual cloud computing conference walk past the Amazon Web Services logo in Las Vegas, Nevada, U.S., November 30, 2017. Salvador Rodriguez | Reuters Amazon‘s cloud-computing service on Wednesday was hit with an outage that took down some websites and services. A notice on Amazon Web Services’ status page said it was
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The entire country is expected to have a dry Thanksgiving Day this year. However, central and southern US states may experience severe storms before Thanksgiving Day.  Severe thunderstorms may likely interfere with the Thanksgiving preparation of residents from northern Texas to the southern parts of Illinois and Indiana and western portions of Kentucky, Tennessee, and Alabama
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SAN FRANCISCO – Canadian satellite fleet operator Telesat and Loral Space & Communications announced plans Nov. 24 to combine to form Telesat Corp., a Canadian public company, in a deal expected to close next year. Under an agreement with Canada’s Public Sector Pension Investment Board (PSP Investments), Loral Space & Communications and Telesat Canada will
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Thanksgiving looks different this year in America. Grandpas and grandmas, uncles and aunts, and cousins of all numbers probably aren’t gathering together for dinner, unless it’s over Zoom. That reality is creating challenges for producers and suppliers — and new implications for holiday food waste. Holidays — and Thanksgiving, in particular — are huge food waste
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Young megalodon sharks (artist’s impression) spent time in sheltered coastal areas while they grew to their gigantic adult proportions. Credit: Humberto Ferrón Palaeontology 25 November 2020 Ancient teeth hint that a handful of sites served as sheltered sanctuaries for immature megalodon sharks. The prehistoric shark Otodus megalodon was an awe-inspiring beast, measuring up to three
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WASHINGTON — As SpaceX prepares for the first high-altitude test flight of its Starship reusable launch vehicle, the Federal Aviation Administration is starting a new environmental review required for the company’s future launch vehicle plans. SpaceX performed a brief static-fire test of its Starship SN8 prototype Nov. 24 at its Boca Chica, Texas, test site.
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Scientists have found that animals can surprisingly adapt to the increased temperatures caused by climate change. A 2019 UN report estimated that one million species are currently in danger of extinction. Researchers published in the journal Nature found that tropical ocean ecosystems could collapse by 2030, while mountains and forests will follow by 2050.  Consistently, other reports stated that with the current status
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Researchers often complain about the indicators that hiring and grant committees use to judge them. In the past ten years, initiatives such as the San Francisco Declaration on Research Assessment and the Leiden Manifesto have pushed universities to rethink how and when to use publications and citations to assess research and researchers. The use of
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Recent months have seen major moves on climate action by some of the world’s largest private banks, including JPMorgan Chase, HSBC and Morgan Stanley. What sets this latest wave of climate pledges by financial institutions apart from past announcements? Building on previous commitments that increase green investments or restrict financing to certain high-emitting activities, recent
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A new paper documented the effects of changes in the behavior of fires, from being too large or too little, that threatens biodiversity and ecosystems, including over 4,400 species of birds, mammals, insects, and plants worldwide. According to a paper published by a 27-member international team led by researchers from the University of Melbourne, changes in the behavior of fire
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Burning the Books Richard Ovenden John Murray (2020) In 1660, when the British monarchy was restored, the University of Oxford ordered the burning of books by anti-royalist, pro-free-speech poet John Milton. This is one of many graphic examples inspired by the collections at the institution’s Bodleian Library, cited in Bodleian librarian Richard Ovenden’s powerful history,
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Wild Turkey / Image Credit: Andrea Westmoreland via Flickr There are 60-foot high balloons floating above packed city blocks, cranberries on the stove, inside-the-turkey stuffing, mashed potatoes, outside-the-turkey stuffing, football, abominably huge turkeys, and one lucky bird. The best part of Thanksgiving dinner? Leftover Thanksgiving dinner. But those leftovers take hard work– that hot, perfect,
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A soldier ant of the species Atta cephalotes (right) extends its mandibles towards an Acromyrmex echinatior worker ant. Mineralized body armour protects some A. echinatior workers from attack. Credit: Caitlin M. Carlson Biomaterials 24 November 2020 A species of leaf-cutter ant is the first known example of an insect with mineralized armour, which shields them
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Relics. Environmental hotspots. Or maybe reminders of a simpler time. Good or bad, no one views America’s old coal-fired power plants with indifference.  In their day, they were reliable, cost-effective backbones of America’s economy, driving some of the most spectacular growth the world has seen. Powering industry, commerce and society, they generated not just electricity
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WASHINGTON — Small launch vehicle startup Relativity Space has raised a $500 million funding round that the company says will enable it to accelerate its long-term vision of reshaping aerospace manufacturing. Relativity announced Nov. 23 that it raised the $500 million Series D round, led by hedge fund Tiger Global Management. Several new investors joined
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