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Alzheimer’s plaques and tangles revealed by 3D microscopy

mardi 9 juillet 2024 par Sjors H. W. Scheres
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02119-9Amyloid-β peptides and tau proteins form filaments in the brain in Alzheimer’s disease. Using an electron microscopy approach to visualize thin slices of brain tissue in 3D, these filaments can be seen in their native (...)

This lab-grown meat has a beefy flavour boost

mardi 9 juillet 2024 par Helena Kudiabor
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02273-0Cultured meat that tastes and smells more appetizing could enhance public perception of artificial steaks.

Serious errors plague DNA tool that's a workhorse of biology

mardi 9 juillet 2024 par Katherine Bourzac
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02280-1Researchers analysed thousands of laboratory-made plasmids and discovered that nearly half of them had defects, raising questions of experimental reproducibility.

Edward C. Stone obituary: physicist who guided Voyager probes to interstellar space

mardi 9 juillet 2024 par Alan C. Cummings
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02285-wSpace scientist who took humanity on a tour of the Solar System and beyond, in a journey of discovery like no other.

Emergence of large-scale cell death through ferroptotic trigger waves

mardi 9 juillet 2024 par Hannah K. C. Co, Chia-Chou Wu, Yi-Chen Lee, Sheng-hong Chen
Nature, Published online: 10 July 2024; doi:10.1038/s41586-024-07623-6Ferroptosis can propagate across human cells over long distances (≥5 mm) at constant speeds (around 5.5 μm per minute) through self-regenerating waves of reactive oxygen species; such waves facilitate large-scale cell death in (...)

Waves of ferroptotic cell death sculpt embryonic tissue

mardi 9 juillet 2024 par Judith Goncalves, Scott J. Dixon
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02125-xAn unusual form of cell death called ferroptosis can sweep over embryonic tissues in a wave-like manner to ensure proper muscle development — evidence that ferroptosis has a role in normal (...)

Some photos you might like

mardi 9 juillet 2024 par Bob McHugh
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02189-9A life, tagged.

Multiple plague outbreaks in a Neolithic family give clues to prehistoric population dip

mardi 9 juillet 2024
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02243-6A reconstruction of the occurrence of plague in a large family tree from Neolithic Sweden indicates that 12 of 38 family members were infected in three separate waves — a potential explanation for a mysterious collapse in (...)

Speedy stars blow the cover of hidden black hole

mardi 9 juillet 2024 par Daryl Haggard, Adrienne Cool
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02135-9Fast-moving stars have been discovered in the middle of the nearby star cluster ω Centauri using two decades of Hubble Space Telescope imaging. The stars offer evidence of a long-sought intermediate-mass black (...)

Stars hint at an unusual black hole lurking in our Galaxy

mardi 9 juillet 2024 par Davide Castelvecchi
Nature, Published online: 10 July 2024; doi:10.1038/d41586-024-02277-wImages taken by the Hubble Space Telescope point to an elusive intermediate-size black hole in the star cluster ω Centauri.

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