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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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In March, with its doors closed, the Shedd Aquarium in Chicago, Illinois, let its Rockhopper penguins explore the place. Nature media maestro Tom Houghton (who illuminates the Nature Briefing) was inspired to enrich your day by hiding a Rockhopper in a scientifically fascinating location. Thus was born the legend that is Leif Penguinson and the
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Despite overwhelming scientific evidence to the contrary, some American politicians continue to deny that climate change exists, while others question the severity of its impact. And among the general public, climate change denial is higher in the U.S. today than almost anywhere else in the world. This is largely the result of the oil and
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Climate scientist Kim Cobb speaks at a women’s empowerment event in Atlanta, Georgia.Credit: Lorikay Stone As the world hopes for swift roll-outs of COVID-19 vaccines in 2021, researchers’ ambitions are likely to still be constrained by the continuing pandemic and its effects. Amid shifting career priorities, Nature asked scientists for their advice to colleagues and
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As the year comes to a (welcome) close, it’s worth taking a moment to consider how the circular economy concept has emerged and evolved during this very particular year. Here are three trends that defined the circular economy in 2020, and what they might mean for the year to come.  1. Reuse is on the
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Dose and dose-rate distributions produced for multiple treatment beams using (left) intensity-modulated proton therapy and (right) simultaneous dose and dose-rate optimization (SSDRO) for a 10 Gy fraction. The plan quality was best for the SDDRO method using nine beams. (Courtesy: Med. Phys. 10.1002/mp.14531) The primary goal of radiotherapy is to deliver a large radiation dose
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Regan will be the first Black man to lead the EPA.Credit: N.C. Department of Environmental Quality US president-elect Joe Biden has nominated Michael Regan, North Carolina’s top environmental regulator, to lead the country’s Environmental Protection Agency (EPA) — and scientists and environmentalists are optimistic. Regan, who will now need to be confirmed by the US
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James Taiclet, Lockheed Martin’s president and CEO, said the acquisition gives the company a larger footprint in space and hypersonic technology.  WASHINGTON — The largest U.S. defense contractor Lockheed Martin announced Dec. 20 it has inked a deal to acquire rocket engine and missile manufacturer Aerojet Rocketdyne for $4.4 billion.  James Taiclet, Lockheed Martin’s president
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Richard Browning, CEO of JetPack Aviation demonstrates his JBPack suit JetPack Aviation It takes visionaries like venture capitalist Tim Draper to reimagine the future of transportation and back ideas many consider futuristic pipe dreams. But this renown Silicon Valley venture capitalist who was an early investor in Elon Musk’s Tesla and SpaceX ventures has a
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Radiation therapy providers in the US need to start preparing now for the introduction of the Radiation Oncology Alternative Payment Model (RO-APM) Alignment matters: Accuray is confident that its emphasis on hypofractionated and ultrahypofractionated radiotherapy will prove to be a good fit for the RO-APM. (Courtesy: Accuray) The Centers for Medicare and Medicaid Services (CMS)
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The world’s ugliest orchid has just been discovered by scientists, and its scientific name is Gastrodia agnicellus. It is a native of Madagascar. A new species of orchid (Photo : Burian, R. Curtis’s Bot. Mag., 2020)The flower of Gastrodia agnicellus, showing the stem and part of the rhizome.Ranomafana September 2019. British botanists from the UK
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Cemetery workers wear personal protective equipment to prepare graves for those who have died from COVID-19 in Juárez, Mexico.Credit: Mario Tama/Getty The Rules of Contagion: Why Things Spread — and Why They Stop Adam Kucharski Wellcome Collection (2020) COVID-19: The Pandemic that Never Should Have Happened and How to Stop the Next One Debora Mackenzie
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Investors are increasingly interested in companies that are environmentally and socially conscious, and the world’s largest asset manager is no exception. In an annual letter to CEOs earlier this year, BlackRock Chairman and CEO Larry Fink said “climate change has become a defining factor in companies’ long-term prospects … But awareness is rapidly changing, and I believe
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Through the looking glass: the ALICE detector at CERN is currently being upgraded and may soon provide further insights into hyperon interactions. (Image: Julien Ordan/CERN) Collisions between high-energy protons at the Large Hadron Collider (LHC) at CERN have given physicists a first glimpse at interactions involving exotic particles called hyperons. Researchers working on the ALICE
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