Month: April 2021

Inhaling helium and talking like Daffy Duck is a classic party trick. But not many know how helium works. Helium is much lighter than air, so sound waves move much faster through the gas. This amplifies the higher frequencies in your voice. The gas sulfur hexaflouride works in the opposite way. Science Insider tells you
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There’s a helpful concept we use to help understand what distance from a given star you might expect to find planets with liquid water on their surface – liquid water being essential for life as we know it. It’s called the habitable zone. Every star has a habitable zone, but where that zone lies is
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Methylmalonic acidemia (MMA) is a rare genomic condition that disrupts the normal metabolism of certain proteins and fats, resulting in a toxic accumulation of methylmalonic acid in the body. This build-up may lead to irreparable kidney impairment, metabolic liver dysfunction, pancreatitis, intellectual disability and eventually, without treatment, death. Researchers at the National Institutes of Health
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WASHINGTON — Dynetics has joined Blue Origin in filing a protest of NASA’s selection of SpaceX for a single Human Landing System award, a move that could force the agency to suspend work on the program. In a statement April 27, Dynetics said it filed a protest of the HLS award with the Government Accountability
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DOUGLAS, U.K. — The Russian actress who will be sent to the International Space Station on the upcoming Soyuz MS-19 spaceflight will be announced from among four finalists on May 15, according to the head of Roscosmos, Dmitry Rogozin. This unusual spaceflight will be connected to the filming of the movie “Vyzov” (“The Challenge”), which
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A rapidly spinning brown dwarf (pictured, artist’s impression) tends to have narrow atmospheric bands; the faster the spin, the thinner the bands. Credit: NASA/JPL-Caltech Astronomy and astrophysics 27 April 2021 Dim stars that have failed at fusion are masters of spin Three brown dwarfs whirl on their axes at a dizzying rate that might be
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WASHINGTON — The Federal Communications Commission approved a modification of SpaceX’s license for its Starlink constellation, allowing the company to operate more than 2,800 additional satellites in lower orbits. In an order and authorization published April 27, the FCC said it will allow SpaceX to move 2,814 satellites from orbits in the range of 1,100
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The expectation that electric vehicles will displace the internal combustion engine continues to accelerate. Bold policy and funding proposals from governments in China, the European Union and now the United States; ambitious capital investment plans from the world’s leading automakers; and continuing technological advancements — all contribute to a bullish outlook for market penetration of
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Nearly one billion COVID-19 vaccine doses have been delivered in less than six months, but anti-vaccine disinformation and targeted attacks on scientists are undermining progress. These threats must be confronted directly, and the authority and expertise of the health community alone aren’t enough to do this. Even before the pandemic, I had a front-row seat
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“It’s all about exploration” Born in Honolulu, Hawaii, NASA Astronaut Megan McArthur is currently assigned as Pilot of the NASA SpaceX Crew-2 mission to the International Space Station. Her previous spaceflight experience includes STS-125 for the servicing of the Hubble Space Telescope. McArthur worked as the flight engineer and robotic arm operator. She carefully retrieved
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Taken from the April 2021 issue of Physics World where it first appeared under the headline “The surprises essential to life”. Members of the Institute of Physics can enjoy the full issue via the Physics World app. David Appell reviews Seven Pillars of Science: the Incredible Lightness of Ice, and Other Scientific Surprises by John
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The snake worm is a worm that looks like a snake when it moves around. Despite that though, they can sometimes be confused with earthworms. This has become a problem because the recent surge of snake worm populations have become a great concern for American conservationists. Is a snake worm dangerous? For humans, they are
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TAMPA, Fla. — U.S.-based startup Swarm Technologies and 28-year old Orbcomm, both pursuing the fast-growing market for connecting Internet of Things (IoT) sensors to satellites, are locked in a regulatory tussle over plans to expand overseas. Orbcomm is challenging a letter the Federal Communications Commission (FCC) sent March 10, which aimed to clarify how it
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When you see someone wearing gloves, you tend to think they’re protecting themselves from something. In my laboratory at the Pasteur Institute in Montevideo, Uruguay, we wear gloves to protect our samples from ourselves. We study RNA, and some of the enzymes in our skin can break those molecules down. I am a molecular biologist,
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The Indian Space Research Organisation will launch a data relay satellite that will help maintain contact with the Gagangyaan mission throughout after the launch, sources said. The satellite will be launched before the final leg of the Gaganyaan mission, which will send astronauts to the Lower Earth Orbit (LEO). The first leg - the unmanned mission
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WASHINGTON — Blue Origin filed a protest with the Government Accountability Office April 26 over NASA’s decision to select only SpaceX for its Human Landing System (HLS) program, arguing the agency “moved the goalposts” of the competition. The company, in a lengthy filing with the GAO, claimed that in addition to not giving companies the
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The ExoSCOPE platform utilizes labelling of extracellular vesicles (EVs) to measure cellular drug effects. (Courtesy: Nat. Nanotechnol. 10.1038/s41565-021-00872-w) Catching cancer drugs in the act may seem complicated – but could soon become a lot simpler. One of the three common methods of treating cancer is chemotherapy; this process uses active chemicals to destroy abnormal or
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You might not be aware of this when you visit peacocks in close-by farms, parks, and zoos, but green and blue peacocks, those mythical creatures with shining plumage, are only indigenous to Asia – though their incredible beauty has led them to different parts of the world. There’s so much more to peafowl than their
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Large-scale facilities such as this feedlot in Floresville, Texas, help to meet the global appetite for beef and other red meat, which remains strong despite the growing consumption of chicken and fish. Credit: Daniel Acker/Bloomberg/Getty Agriculture 26 April 2021 Meat lovers worldwide pay climate little heed People are eating more poultry and fish — but
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Amanda Gorman recites her inaugural poem, “The Hill We Climb,” during the 59th Presidential Inauguration ceremony. Credit: DoD photo by Navy Petty Officer 1st Class Carlos M. Vazquez II On Jan. 20, 2021, Amanda Gorman became the United States’ youngest inaugural poet laureate, addressing the newly sworn-in President Biden and the world with a striking
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“I like new experiences. I like to learn all the time.” Born in Rouen, France, Thomas Pesquet is a European Space Agency Astronaut and is assigned as a Crew-2 Mission Specialist. Thomas was selected as an ESA astronaut in May 2009. In 2016, he launched to the International Space Station for his six-month Proxima mission,
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Inside the ultra-high vacuum chamber: The laser was sent through a calcium fluoride window into the chamber, where it interacted with the sample. The kinetic energies of the photoemitted electrons were recorded by a hemispherical kinetic energy analyser. (Courtesy: Alex Tanner) A collaboration involving experimental and computational chemical physicists has revealed new clues as to
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An unidentified man from South of Corona, California was injured after being bitten by a rattlesnake on a Saturday evening. Authorities reported that the victim tried to remove the snake from the area found near his home in the Elderberry Lane in Sycamore Creek community to protect the children from any possible danger. The California
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CNSA, Roscosmos invite international partnerships; China reveals outline and objectives for lunar research station. HELSINKI — Russia and China have formally invited countries and international organizations to join the International Lunar Research Station (ILRS) project being developed by the two nations. China National Space Administration (CNSA) and Russia’s Roscosmos said the ILRS project would be
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When you think about who makes the greatest social and environmental impact with corporate dollars, you probably think of the head of ESG or the chief investment officer, not the treasurer. Today’s corporate treasurers, however, are redefining their role beyond risk mitigation, and they’ve become a surprising source of impact within their organizations, moving millions
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It’s an “exciting” time for renewable energy firms because more policymakers around the world have committed to carbon emissions goals, according to Credit Suisse. “I’m feeling fairly bullish on the current market conditions for energy transition beneficiaries,” said Phineas Glover, the investment bank’s Asia-Pacific head of environmental, social and governance (ESG) research. The energy transition
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Professors and students of the University of Wyoming have identified an atypical belt of igneous rocks that extends for more than 2,000 miles from British Columbia, Canada, to Sonora, Mexico. The rock belt passes through Nevada, Idaho, southeast California, Arizona, and Montana. (Photo : Pixabay) Long Belts of Igneous Rocks   “Geoscientists normally relate long belts of
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