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A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal molybdenum, which was incredibly scarce in the environment at the time. The study, published in Nature Communications, is the first to show that molybdenum was used by ancient life this far back in our planet’s […] A two-dimensional lamellar crystal composed of atomically thin layers of lead iodide (PbI2) could be used to manufacture a new generation of circuits that use light and mechanical vibrations (rather than electrons) to transmit information in the terahertz frequency range. Go to Source Electronic nematicity is a phase of some crystalline solids in which electrons’ collective properties, such as charge or spin densities, organize themselves into ordered patterns, lowering the crystal’s rotational symmetry. This phase is found across a wide range of diverse materials, making nematicity crucial to understanding emergent solid-state phenomena, such as unconventional superconductivity and magnetism. […] More than 100 Oakland, San Francisco and CHP officers participated in the operation that trapped riders in between agencies on the bridge, leading to multiple arrests Go to Source An international team of astronomers has analyzed the data from the James Webb Space Telescope (JWST) and Atacama Large Millimeter/submillimeter Array (ALMA) to investigate giant molecular clouds in nearby galaxies. The new study, presented April 27 on the arXiv preprint server, unveils crucial information regarding the lifetime of more than 100,000 such clouds across 66 […] Across the Milky Way galaxy, a planetary odd couple is circling a star some 190 light years from Earth. A normally “lonely” hot Jupiter is sharing space with a mini-Neptune, in a rare and unlikely pairing that’s had astronomers puzzled since the system’s discovery in 2020. Go to Source Also known as Endurance, MK1 is an uncrewed cargo lander. It’s a commercial demonstration mission to advance Human Landing System capabilities in support of NASA’s Artemis program. The tests in Chamber A represent a public-private partnership model, with Blue Origin conducting work through a reimbursable Space Act Agreement. Go to Source A research team led by Professor Denver Li Danfeng, Associate Dean (Research and Postgraduate Education) of the College of Science and Associate Professor in the Department of Physics at City University of Hong Kong (CityUHK), has achieved a significant advance in superconducting materials. Go to Source The mechanism that can cause a rapidly expanding plasma—the superhot state of matter harnessed in fusion energy systems—to spontaneously generate its own magnetic fields was identified through a new set of simulations. This improves our understanding of naturally occurring plasmas in our universe and advances the development of fusion systems based on an approach called […] BWC: Texas civilian officer shot in face with pellet gun while responding to day-old burglary reportThe Fort Worth Civilian Response Unit officer, who was not armed with a gun, was struck by pellets on his face and eye as he ushered a bystander to safety Go to Source The unidentified man attempted to flee when uniformed officers with the Secret Service approached him; he then fired at the officers, who returned fire Go to Source Io is a world of extremes. It is by far the most volcanically active world in our solar system. Being continually squeezed in the never-ending tug-of-war between Jupiter and its larger satellites will do that to a moon. As a result, Io has over 400 “paterae”—volcanic depressions that spew lava up onto its surface. And, […] The 2022 fatal shooting of a man, who was well-known to police, prompted the Albuquerque PD to change use-of-force policies Go to Source Using various telescopes, an international team of astronomers has performed multi-wavelength observations of a recently identified gamma-ray burst source designated GRB 250416C. Results of the observational campaign, published April 23 on the v pre-print server, could help us better understand the nature of GRB 250416C and gamma-ray bursts in general. Go to Source […] Symmetry says these crystal vibrations can never mix, but an exotic quantum phase rewrites the rulesSymmetry is one of the most fundamental principles in nature. It describes the rules that make an object look unchanged after a rotation, reflection, or other transformations. In materials, symmetry governs how atoms and electrons are arranged, and how they move together. Crucially, symmetry can even prevent certain collective atomic motions (vibrations) from interacting at […] |
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