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A decade-long NIST experiment has produced a new measurement of the universal gravitational constant that differs unexpectedly from another leading result, deepening a 225-year-old physics puzzle. The discrepancy is tiny, but for one of nature's most ...

Physicists have detected strong evidence that heavy, fleeting Z bosons can become quantum entangled during Higgs boson decays at CERN's Large Hadron Collider. The result shows that Einstein's "spooky action at a distance" survives even under some of ...

A massive crater on Mars' moon Phobos may hide a dense region of compressed material that could reveal whether the moon is a captured asteroid or debris from an ancient impact on Mars. Japan's upcoming MMX sample return mission could provide the ...

A deep-sea microbe uses an exceptionally heat-resistant enzyme to turn atmospheric nitrogen into ammonia at temperatures that would destroy most proteins. Its unusual structure and a newly observed reaction state may reveal an ancient, shared ...

A single-celled organism can shrink to one-quarter of its length in milliseconds using a remarkable calcium-powered protein "fishnet." Scientists hope its unusual machinery could inspire artificial muscles capable of moving far faster than today's .. ...

Complex systems may work better when their parts are not perfectly alike. Northwestern physicists found that carefully balanced variation, or "disorder," can make networks such as power grids, ecosystems, neurons, and materials more stable. Even ...

Scientists are looking to diatoms, sea sponges, and plants for a cleaner way to recover rare earth elements and other valuable minerals hidden inside coal ash, red mud, and mine tailings. The bio-inspired approach could turn massive industrial waste ...

A new Caltech device can redirect a beam of light in just 74 femtoseconds using another beam and a nanoscale silicon metasurface. The breakthrough could pave the way for dramatically faster photonic communications, computing, and sensing technologies ...

NASA's Roman Space Telescope may now have enough fuel for at least 22 years of science, more than double its original 10 year design life. An extremely precise course correction, extra fuel at launch, and additional expected savings could keep the .. ...

Scientists have found a new way to create a controlled beam of muonium, an exotic atom containing a heavier cousin of the electron. The advance could allow researchers to test for the first time whether gravity acts on second-generation particles ...