How Invisible Geometry Gives Online Choices a Fair Chance
A new online-selection theorem reveals how tracking every hidden subspace can protect the odds of choosing valuable, independent items.
Hidden world
The Hidden Geometry That Can Silence a Crowd of AI Agents
A study of AI social networks finds that group structure—not just model capability—may determine whether shared norms spread.
A Trace of Lithium Turns One Dwarf Galaxy Into a Time Machine
A lithium survey of 209 Small Magellanic Cloud giants traces how stellar mixing and novae may shape a neighboring galaxy’s chemical history.
Inside a Giant Atom, Helium Collisions Reveal Quantum Rules
Inside a giant helium atom, scientists made quantum ion–atom collisions visible, revealing resonances, particle interference, and isotope effects.
How a 3.7-PeV Photon Put Space-Time’s Rules to the Test
A gamma-ray flare from Cygnus X-3 sent PeV photons across the Galaxy, turning their survival into a test of relativity’s hidden limits.
A Young Star’s Shock Lit Up Two Molecules That Should Stay Dark
JWST reveals forbidden H₃⁺ light and a CH⁺ chemical cascade in a young-star shock, exposing hot molecular gas and its unresolved physics.
A Vision AI Rebuilt Its Inner Map Without Forgetting the Labels
A vision transformer’s hidden representations shifted sharply after small weight changes, while its image-classification performance stayed nearly intact.
A Super-Jupiter’s Atmosphere Holds a Clue From Its Birth Cloud
JWST finds deuterated methane in a cold super-Jupiter, revealing how a rare isotope may preserve clues to the icy material that built it.
A Quantum Chain Turned One Local Clue Into Many Readable Records
A local quantum disturbance may leave readable clues across a chain as protected states and entanglement turn one bit into many records.
How JWST Saw a Possible Supernova in Cosmic Slow Motion
JWST spotted a hot, rapidly brightening transient in a galaxy at redshift 5, with cosmic expansion stretching its brief flare across 71 days.
One Galaxy’s Light Reveals a Vast, Unexpected Ionized Expanse
JWST light from one early galaxy hints at a 210-megaparsec ionized region in a universe that was still largely neutral.
The Secret Word That Colored a Story Without Ever Appearing
A hidden word never appears in a story, yet models can detect its thematic shadow—and stronger secrecy instructions may make it easier to spot.
The Hidden Interface That Forces a 3D Equation to Flatten
A proof turns the Allen–Cahn equation’s hidden interface into a geometric trap, ruling out curved stable fronts in three dimensions.
A Hidden Tree Builds a Near-Full Set That Evades Infinite Patterns
A probabilistic tree routes points through nested grids to build a tiny barrier against every copy of an infinite geometric pattern.
Could a tiny vapor cell make dark matter flicker in laser light?
A proposed chip-scale atomic sensor could turn a hidden-photon dark-matter signal into a faint, readable flicker of laser light.
The Laser’s Fading Tail Lit Up Helium’s Hidden Dark States
A helium experiment links extreme-ultraviolet sidebands to laser-dressed dark states populated when tunneling electrons are recaptured.
A Levitated Magnet Listened for Dark Matter Too Heavy to Catch
A levitated milligram magnet searched for ultraheavy dark matter through passing particles’ impulses, turning eight ambiguous kicks into conservative limits.
Inside a Language Model’s Feedback Loop, Words Can Tip Into Chaos
A fixed-loop experiment reveals how a language model’s continuous feedback can shift from repeating phrases to chaos—and why tiny numerical changes matter.
How a Hidden Coordinate Map Reveals Smoothness in Curved Graphs
A new theorem shows how a hidden two-dimensional coordinate change can reveal smoothness in rough geometric graphs, even in high codimension.
The Hidden Social Rules That Steer an AI Agent’s Behavior
A controlled study finds that AI-agent competition tracks rank incentives more than scarcity, revealing how simulated settings shape behavior.