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As Earth formed from the disk of matter swirling around the Sun (artist’s impression), hydrogen moved into what would become the planet’s core. Credit: Gregoire Cirade/SPL Geology 25 May 2020 The core might contain Earth’s biggest reservoir as a result of hydrogen moving into the early planet’s centre. Earth’s core might contain most of the
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Updated 5:00 p.m. Eastern. WASHINGTON — Virgin Orbit’s LauncherOne failed to reach orbit in its first launch attempt May 25, with the mission “terminated” moments after the rocket’s release from its aircraft. The company’s “Cosmic Girl” aircraft, a modified Boeing 747, took off from the Mojave Air and Space Port in California at 2:56 p.m.
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Einstein on Einstein Hanoch Gutfreund & Jürgen Renn Princeton Univ. Press (2020) Albert Einstein admitted in his final essay, ‘Autobiographical sketch’, that fellow physicists opposed his quest to unify the general theory of relativity with quantum mechanics. But he took comfort from philosopher Gotthold Lessing’s dictum: “The search for truth is more precious than its
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Tiphaine Kouadou is a PhD student who is supposed to finish her dissertation this year and Mattia Walschaers is a CNRS research scientist. Both work in the multimode quantum optics group at the Laboratoire Kastler Brossel (LKB) in Paris, France, which is affiliated with Sorbonne Université, CNRS, ENS Université PSL, and Collège de France. This
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In New York, the epicenter of the COVID-19 outbreak in the U.S., the city’s health department put out a set of guidelines entitled, “Sex and coronavirus disease.” One piece of official advice: “You are your safest sex partner.”  Dating is hard enough in the best of times. Throw in government directives like this, plus nationwide
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Raytheon and a Northrop Grumman/Ball Aerospace team designed competing sensor payloads for the Next-Gen OPIR geosynchronous satellites. WASHINGTON — Two sensor payloads for the U.S. Space Force’s new missile warning satellites have passed a key design review. One of them will be selected for the first Next-Generation Overhead Infrared satellite scheduled to launch in 2025.
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Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here Bumble bee (Bombus terrestris) worker damages a plant leaf. Bee-inflicted leaf damage leads to accelerated flowering and might have implications for the phenological synchrony of plants and pollinators.Hannier Pulido, De Moraes and Mescher Laboratories When pollen
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Taken from the May 2020 issue of Physics World. Members of the Institute of Physics can enjoy the full issue via the Physics World app. Joe McEntee talks to surface scientist Karen Syres about striking a balance between teaching and research while also building visibility and connection with the scientific community   Making light work
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NASA astronauts and scientists are among those in this educational parody of Psy’s popular music video. “NASA Johnson Style” was created, written and produced by the Houston center’s co-op students who volunteered for the project ” to inform the public about the amazing work going on at NASA and the Johnson Space Center.” “NASA Johnson
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