There was no clearer set of contrasts between how SpaceX and NASA approach launch vehicle development than the dueling tests the two performed in early December of Starship and Space Launch System, respectively. It was hard to miss the Dec. 9 test flight of SpaceX’s Starship SN8 prototype, the first time the vehicle flew more
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Alibaba Group signage is seen during the company’s 11.11 Singles’ Day global shopping festival at their headquarters in Hangzhou, Zhejiang province, China, November 11, 2020. Aly Song | Reuters BEIJING — Shares of Alibaba fell in both Hong Kong and extended-hours U.S. trading as reports surfaced that the Chinese government is conducting an anti-monopoly probe
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Hear our reporters’ top podcast segments of 2020. Your browser does not support the audio element. Download MP3 In this episode: 00:32 Following the Viking footprint across Europe In September, we heard about the researchers mapping ancient genomes to better understand who the Vikings were, and where they went. Nature Podcast: 16 September 2020 Research
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Let it snow: Brighten up your holiday season with some quizzing. (Courtesy: Shutterstock/ESB-Professional) 1. It’s dark at the North Pole in winter. Fortunately, Santa’s reindeer have exceptional eyesight. Which wavelengths of light can they see? A Ultraviolet B Infrared C Microwave D All of the above 2. In 2019, researchers at the University of Manchester calculated
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A platypus whisperer from Tasmania surprises experts with his citizen science. The man has bonded with a platypus, an animal that is known to be very elusive. The man, Pete Walsh, comes from Hobart, the capital city of Australia’s island Tasmania state. Vonna Keller, his partner, named him “platypus whisperer” due to his special relationship with a platypus, whom they called Zoom. 
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replying to K. Soltesz et al. Naturehttps://doi.org/10.1038/s41586-020-3025-y (2020) The accompanying Comment1 concerns our original paper, Flaxman et al.2, in which we introduced a Bayesian hierarchical model to estimate the transmission intensity (in terms of the time-varying reproduction number, Rt) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from observed counts of coronavirus disease 2019 (COVID-19)-related deaths.
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The Pentagon’s overseers in Congress have been consistently critical of how the military acquires space hardware. Frustration with space procurements was in fact one of the catalysts for the creation of the U.S. Space Force. Satisfying congressional demands for a revamped space acquisition process will now fall on President-elect Joe Biden’s Pentagon team. Earlier this
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WILMINGTON, DELAWARE – DECEMBER 11: U.S. President-elect Joe Biden speaks during an event to announce new cabinet nominations at the Queen Theatre on December 11, 2020 in Wilmington, Delaware. President-elect Joe Biden is continuing to round out his domestic team with the announcement of his choices for cabinet secretaries of Veterans Affairs and Agriculture, and
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By Lindsay Olson Scientific Adviser:  Dr. Don Lincoln Curator: Georgia Schwender  As Fermilab’s first artist in residence, my workspace had some unusual supplies for an artist’s studio. Pinned to my idea board I had a list of subatomic particles, quotes from popular physics books, the names of inspiring physicists, and a picture of Nobel Laureate
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arising from S. Flaxman et al. Nature https://doi.org/10.1038/s41586-020-2405-7 (2020) Flaxman et al.1 took on the challenge of estimating the effectiveness of five categories of non-pharmaceutical intervention (NPI)—social distancing encouraged, self isolation, school closures, public events banned, and complete lockdown—on the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). On the basis of mortality data
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The Hayabusa2 capsule that landed in the desert in South Australia.Credit: AP/Shutterstock Asteroid dust recovered from Hayabusa2 Japan’s mission to bring asteroid dust back to Earth has succeeded. The Japan Aerospace Exploration Agency (JAXA) confirmed on 14 December that a capsule from the spacecraft Hayabusa2, which landed in an Australian desert last week, contained black
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VALETTA, Malta —  Through a novel approach to testing, the European Space Agency’s Clean Space initiative is assisting in the development of satellite components that are designed for demise, an approach to satellite development that advocates for the safe disposal of spacecraft by destructive atmospheric reentry. The ESA Clean Space initiative was launched in 2012
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When you think of Colgate-Palmolive, the first thing likely to come to mind is its eponymous toothpaste or dish soap. But the company also owns a lot of other brands that offer other consumer packaged goods such as deodorant (Speed Stick), body soap (Irish Spring) and other household cleaning products (Fabuloso). And what are those
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The rainforest is teeming with life, and are precious ecosystems that harbor 80% of the world’s entire terrestrial biodiversity of animals, plants, and other organisms.  This article features some of the most amazing rainforest animals that are currently being protected due to threats to their existence.  The mountain gorilla These primates are the largest extant primates and are our closest animal relatives together with
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When the coronavirus pandemic limited face-to-face interactions earlier this year, companies, governments and other organizations adapted to the new normal by transitioning many activities online. The transition, a part of the digital transformation that has played out over the years, was a boon for companies like cloud messaging provider Twilio, whose CEO Jeff Lawson told
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Brad Garlinghouse, CEO of Ripple. John Chiala | CNBC The Securities and Exchange Commission filed charges Tuesday against Ripple, the fintech company best known for cryptocurrency XRP, and two of its executives, for allegedly violating investor protection laws. The SEC alleged that Ripple, co-founder Christian Larsen and CEO Bradley Garlinghouse, raised more than $1.3 billion through an
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Climate comeback 2021 looks set to be a pivotal year for the fight against climate change. US president-elect Joe Biden has made clear that he will move to restore the country’s leadership in that regard, including by rejoining the Paris climate agreement to fight global warming. (President Donald Trump pulled the United States out of
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Space Development Agency spokeswoman Jennifer Elzea said in a statement Dec. 22 that the agency is “expeditiously implementing its corrective action plan for the Tracking Tranche 0 solicitation.” WASHINGTON — Companies that competed earlier this year for Space Development Agency satellite contracts awarded to L3Harris and SpaceX were asked to resubmit their proposals following several
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Patrick Pleul/picture alliance via Getty Images The coronavirus relief bill passed by Congress toughens rules around use of a common heat-trapping chemical and funnels billions of dollars into renewable energy. The measures, attached to a year-end government funding bill, were hailed by some lawmakers as among the most significant Congress has approved to combat climate
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Jin-Woo Han is Senior Scientist at NASA’s Ames Research Center in California’s Silicon Valley. Along with colleagues Meyya Meyyappan, Myeong-Lok Seol and Jungsik Kim, he has designed a nanoscale complementary vacuum field emission transistor (VFET). In this interview Han explains why his team is interested in VFETs and the challenges involved in creating the devices
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A Philippine pangolin pup nuzzles close to its mother, who is curled into a protective ball. Credit: Gregg Yan (CC BY-SA 4.0) Conservation biology 22 December 2020 The expertise of local people could help to protect an extremely rare Philippine species. The Philippine pangolin is a mammal of mystery: poorly understood, except that it is
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WASHINGTON — An upgraded upper stage for the Space Launch System rocket has passed a major review, allowing its prime contractor, Boeing, to start producing hardware. Boeing announced Dec. 21 that the Exploration Upper Stage (EUS) of the SLS completed a critical design review with NASA. That review confirmed the design of the EUS, allowing
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HELSINKI — China successfully carried out a first launch of the new Long March 8 medium-lift rocket late Monday, marking a small step towards Chinese rocket reusability. The 50.3-meter-long, 356-ton Long March 8 lifted off at 11:37 p.m. Eastern Dec. 21 from the coastal Wenchang launch site carrying five satellites into Sun-synchronous orbits. Launch was delayed
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Scientists have seen how the Colorado potato beetle earns its reputation as a notorious pest because of its capability of resisting various kinds of pesticides. These beetles can overcome any poison thrown at them, including DDT, mercury, dieldrin, lead arsenate, and more than 50 other pesticide chemicals. They develop resistance against each of these within only several years. How can they
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The acquisition of Aerojet Rocketdyne will be the first test case of how the Biden administration views defense and aerospace industry consolidation. WASHINGTON — Lockheed Martin CEO Jim Taiclet said he expects the U.S. government to approve the company’s proposed $4.4 billion acquisition of Aerojet Rocketdyne despite concerns that it could reduce competition in the
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Date/Time: January 25, 2021 (1-2PM ET / 10-11AM PT) Following the challenging, turbulent year that was 2020, what is the state of sustainable business in 2021? Join us for the release of the 14th annual edition of State of Green Business, GreenBiz Group’s award-winning annual report. Each year, the report looks at key trends and
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A beam transformed: Optical transforms like tight focussing and total internal reflection, which gives rise to an evanescent field, can lead to out-of-plane polarization components and transverse spin, even for totally unpolarized input light. (Courtesy: Konstantin Bliokh/Diane Roth) It’s been almost a century since Wolfgang Pauli mooted the idea of “hidden rotation”: a new quantum
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A new study has found evidence that exposure to metals may cause pre-term birth and low weight babies. Metals can change the concentrations of prenatal hormone composition during pregnancy, according to a study by Rutgers researchers and colleagues. Examples of such metals include arsenic, nickel, lead, and cobalt. They can disrupt the hormones of a pregnant woman while she is
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