The COVID-19 pandemic, caused by the SARS CoV-2 virus, continues to threaten populations around the world, after killing over 1 million Americans. In recent weeks, XBB.1.5, the most transmissible variant to date, has started ...
Cell & Microbiology
Jan 10, 2023
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128
Using the Imaging X-ray Polarimetry Explorer (IXPE), an international team of astronomers has conducted X-ray polarimetric observations of an accreting X-ray pulsar known as Vela X-1. Results of the observational campaign, ...
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(Phys.org) —Scientists at the National Institute of Standards and Technology and the University of Maryland, College Park, have built a practical, high-efficiency nanostructured electron source. Described in the journal ...
Nanophysics
Mar 6, 2013
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Scientists from the University of Leicester have for the first time created a detailed image of a toxin - called pneumolysin - associated with deadly infections such as bacterial pneumonia, meningitis and septicaemia.
Biochemistry
Nov 24, 2015
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210
The X-Ray Imaging and Spectroscopy Mission (XRISM) is ready to launch on 7 September 2023 to observe the most energetic objects and events in the cosmos. In doing so, it will unveil the evolution of the universe and the structure ...
Astronomy
Sep 4, 2023
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8
By detecting an X-ray flare from a very young star using NASA's Chandra X-ray Observatory, researchers have reset the timeline for when stars like the sun start blasting high-energy radiation into space, as reported in our ...
Astronomy
Jun 18, 2020
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233
A team of researchers from Imperial College London led by Prof. Dominik Weiss has been working with Diamond Light Source, the UK's national synchrotron on a new material (TiO2/Fe2O3 nanomaterial) combining photocatalytic ...
Nanophysics
Nov 25, 2022
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17
Using NASA's Chandra X-ray observatory, astronomers from the Harvard-Smithsonian Center for Astrophysics (CfA) and elsewhere have investigated an active galaxy known as Markarian 78. They report that the source exhibits termination ...
Researchers from the Department of Energy's SLAC National Accelerator Laboratory and Shanghai Jiao Tong University in China have developed a method that could open up new scientific avenues by making the light from powerful ...
Optics & Photonics
Jun 7, 2016
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11
An astronomical discovery is shedding new light on an exquisitely formed star system in our own Milky Way galaxy, featuring two Wolf-Rayet stars. These stars are short-lived and consequently very rare, with only a few hundred ...
Astronomy
Oct 13, 2020
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