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    First of its kind Detection made in Striking New Webb Image

    June 27, 2024, Categories  Astronomy/Space

    A rectangular image with black vertical rectangles at the bottle left and top right to indicate missing data. A young star-forming region is filled with wispy orange, red, and blue layers of gas and dust. The upper left corner of the image is filled with mostly orange dust, and within that orange dust, there are several small red plumes of gas that extend from the top left to the bottom right, at the same angle. The center of the image is filled with mostly blue gas. At the center, there is one particularly bright star, that has an hourglass shadow above and below it. To the right of that is what looks a vertical eye-shaped crevice with a bright star at the center. The gas to the right of the crevice is a darker orange. Small points of light are sprinkled across the field, brightest sources in the field have extensive eight-pointed diffraction spikes that are characteristic of the Webb Telescope.
    In this image of the Serpens Nebula from NASA’s James Webb Space Telescope, astronomers found a grouping of aligned protostellar outflows within one small region (the top left corner). Serpens is a reflection nebula, which means it’s a cloud of gas and dust that does not create its own light, but instead shines by reflecting the light from stars close to or within the nebula.
    NASA, ESA, CSA, K. Pontoppidan (NASA’s Jet Propulsion Laboratory) and J. Green (Space Telescope Science Institute).

    For the first time, a phenomenon astronomers have long hoped to directly image has been captured by NASA’s James Webb Space Telescope’s Near-Infrared Camera (NIRCam)...

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    Dietary Fiber found to Regulate Gut Bacteria’s use of Tryptophan, Impacting Health

    June 26, 2024, Categories  Health/Medical, Biology/Biotechnology

    Dietary fibers make our gut bacteria behave healthy
    The essential amino acid tryptophan is converted in the large intestine into either beneficial or harmful substances. The research shows that tryptophan contributes to the production of the healthy substances Indole lactic acid (ILA) and Indole propionic acid (IPA) when we consume sufficient amounts of dietary fiber. However, if we do not get enough dietary fiber, tryptophan will be converted into the substance indole, which is associated with adverse health effects. The figure is created with BioRender (biorender.com) by Martin Frederik Laursen. Credit: The figure is created with BioRender (biorender.com) by Martin Frederik Laursen.

    We get healthy dietary fiber from consuming fruits, vegetables, and whole grains...

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    New Security Loophole allows Spying on Internet Users Visiting Websites and Watching Videos

    June 26, 2024, Categories  Technology/Electronics

    New security loophole allows spying on internet users visiting websites and watching videos
    The “SnailLoad” loophole is based on combining the latency of internet connections with the fingerprinting of online content. Credit: IAIK – TU Graz

    Internet users leave many traces on websites and online services. Measures such as firewalls, VPN connections and browser privacy modes are in place to ensure a certain level of data protection. However, a newly discovered security loophole allows bypassing all of these protective measures.

    Computer scientists from the Institute of Applied Information Processing and Communication Technology (IAIK) at Graz University of Technology (TU Graz) were able to track users’ online activities in detail simply by monitoring fluctuations in the speed of their internet connection...

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    A Hidden Treasure in the Milky Way – Astronomers uncover Ultrabright X-ray Source

    June 26, 2024, Categories  Astronomy/Space

    Illustration: Alexander Mushtukov: A view towards the black hole in an X-ray binary and the X-rays we see that are reflected from the inner surface of the powerful outflow surrounding the hole. 

    Astronomers uncovered that a well-known X-ray binary, whose exact nature has been a mystery to scientists until now, is actually a hidden ultraluminous X-ray source. X-ray binaries are intriguing systems consisting of two celestial bodies: a normal star and a compact, dead object such as a black hole or a neutron star that sucks material from its stellar companion. A few hundred such sources have been identified thus far in our Galaxy...

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