Extremely precise measurements of the distance between the Earth and the Coma cluster of galaxies provide new evidence for the universe’s faster-than-expected …
Materials
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Physics
Optical atomic clock achieves record accuracy in comparison measurement
by debarjunby debarjunThe ion trap of the new In+/Yb+ crystal clock in its vacuum chamber. Credit: PTB The next generation of atomic clocks “ticks” …
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space
Mars’s two distinct hemispheres caused by mantle convection not giant impacts, study claims
by debarjunby debarjunIllustration of convection origin for Mars’s hemispheric dichotomy, based upon seismic wave attenuation from marsquakes. Credit: Sun and Tkalčić, 2024. Mars has …
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space
Astrophysicists reveal structure of 74 exocomet belts orbiting nearby stars
by debarjunby debarjun30 of the exocomet belts, as imaged in this study, showing the extreme variation in such belts. Credit: Prof Luca Matra, Trinity …
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Credit: Journal of the American Chemical Society (2025). DOI: 10.1021/jacs.4c15626 An international team of chemists has successfully created methylenedistibiranes, which are three-membered …
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space
Tiny galaxy reignites, shedding light on star formation and cosmic evolution
by debarjunby debarjunThis image from NASA’s James Webb Space Telescope shows a portion of the Leo P dwarf galaxy (stars at lower right represented …
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A red kite depicted in the Aberdeen Bestiary, written and illuminated in England around 1200. Credit University of Aberdeen Special Collections Birds …
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Physics
Tuning magnetism with voltage opens a new path to spintronic neuromorphic circuits
by debarjunby debarjunApplying a voltage to lanthanum strontium manganite (LSMO) can cause it to separate into distinct regions with dramatically different magnetic properties, as …
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Science
Homo erectus adapted to harsh deserts 1.2 million years ago, study finds
by debarjunby debarjunCredit: Pixabay/CC0 Public Domain Homo erectus was able to adapt to and survive in desert-like environments at least 1.2 million years ago, …
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Physics
Relativistic spin-orbit coupling may lead to unconventional superconductivity type
by debarjunby debarjunThe phase diagram of a 3-dimensional Rashba system. “FM” is a ferromagnetic phase while “PM” is a paramagnetic phase. The horizontal axis …