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    Neurobiologists Uncover how Stress turns into Fear in the Brain in Conditions such as PTSD

    March 18, 2024, Categories  Biology/Biotechnology, Health/Medical

    Our nervous systems are naturally wired to sense fear. Whether prompted by the eerie noises we hear alone in the dark or the approaching growl of a threatening animal, our fear response is a survival mechanism that tells us to remain alert and avoid dangerous situations.Read More

    Intel introduces approach to Boost Power Efficiency, Reliability of Packaged Chiplet Ecosystems

    March 18, 2024, Categories  Physics, Technology/Electronics

    Intel introduces an approach to boost the power-efficiency and reliability of packaged chiplet ecosystems
    Credit: Das Sharma et al

    The integration of electronic chips in commercial devices has significantly evolved over the past decades, with engineers devising various integration strategies and solutions. Initially, computers contained a central processor or central processing unit (CPU), connected to memory units and other components via traditional communication pathways, known as front-side-bus (FSB) interfaces.

    Technological advances, however, have enabled the development of new integrated circuit (IC) architectures relying on multiple chiplets and more sophisticated electronic components. Intel Corporation played a crucial role in these developments, by introducing new architectures and specifications for the design of systems with multiple packaged chiplets.

    Researchers at Int...

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    Cheers! NASA’s Webb finds Ethanol, other Icy Ingredients for Worlds

    March 18, 2024, Categories  Astronomy/Space

    Graphic titled “NGC 1333 IRAS 2A Protostar, MIRI Medium -Resolution Spectroscopy” shows a graph of optical depth on the y-axis versus wavelength of light in microns on the x-axis. The x-axis ranges from 6.8 microns on the left to 8.6 microns on the right, labeled in even increments of 0.2 microns. The y-axis ranges from 0 on the top to about 0.65 on the bottom, with labeled tick marks at 0.2, 0.4, and 0.6. A jagged white line with several prominent valleys extends horizontally. Vertical bands in different colors mark different wavelength regions and are labeled with molecular names and formulas.
    NASA’s James Webb Space Telescope’s MIRI (Mid-Infrared Instrument) has identified a variety of complex organic molecules that are present in interstellar ices surrounding two protostars. These molecules, which are key ingredients for making potentially habitable worlds, include ethanol, formic acid, methane, and likely acetic acid, in the solid phase. The finding came from the study of two protostars, IRAS 2A and IRAS 23385, both of which are so young that they are not yet forming planets.
    Illustration: NASA, ESA, CSA, L. Hustak (STScI). Science: W. Rocha (Leiden University).

    What do margaritas, vinegar, and ant stings have in common? They contain chemical ingredients that NASA’s James Webb Space Telescope has identified surrounding two young protostars known as IRAS 2A and IRAS 233...

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    Tryptophan in Diet and Gut Bacteria Protect against E. Coli Infection, study shows

    March 15, 2024, Categories  Uncategorized

    Tryptophan in diet, gut bacteria protect against E. coli infection
    Dietary Trp protects against infection with C. rodentium strain DBS100 in a mouse model of EHEC infection. Credit: Nature (2024). DOI: 10.1038/s41586-024-07179-5

    Gut bacteria and a diet rich in the amino acid tryptophan can play a protective role against pathogenic E. coli, which can cause severe stomach upset, cramps, fever, intestinal bleeding and renal failure, according to a study published March 13 in Nature.

    The research reveals how dietary tryptophan—an amino acid found mostly in animal products, nuts, seeds, whole grains and legumes—can be broken down by gut bacteria into small molecules called metabolites...

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