Could Muons See Soft Tissue—or Only the Scanner’s Expectations?
A CERN experiment tests whether muons can map soft tissue, revealing a low-dose imaging possibility and the limits of sparse data.
Puzzle
When AI Misreads a Sentence, Is the Model—or the Test—Wrong?
A closer look at an AI language test finds that disputed grammar labels may explain some supposed reasoning failures.
The Blue Galaxy That May Have Helped Clear the Cosmic Fog
JWST’s spectrum of EBG-1 hints that a bright, blue galaxy at cosmic dawn may have leaked most of its ionizing light.
A Simple Clue May Help Machines Find Better Mathematics
A new math study uses the gap between a theorem’s short statement and long proof to guide machine-generated mathematical discovery.
Can AI Discover a Language’s Rules Without Seeing the Puzzle?
Unreleased linguistics puzzles reveal what AI can infer from examples—and where expert human judgment still exposes gaps.
Why Some Dwarf Galaxies May Be Tearing Apart Without Looking Torn
Milky Way dwarf galaxies may be shedding stars unseen—but a new clue leaves open whether the galaxies or the simulations are misleading us.
The One-Point Threshold That Breaks a Distance-Free Geometry
A finite geometry can hide all nonzero distances at a precise size. One point beyond it forces a rich set of distance values.
How Repulsion Can Build the Glue for Chiral Superconductivity
A topological-lattice model turns electron repulsion into longer-range attraction, linking chiral superconductivity to a quantized Hall crystal.
The Dimer That Could Sneak Past a Hubbard Model’s Hard Limit
A proposed molecular dimer could restore tunable on-site interactions in polar-molecule lattices—if it lives long enough.
The Quantum Walk That Lost to a Simple Chain of SWAP Gates
A quantum walk promised perfect state transfer, but IBM hardware often favored a simple SWAP chain. The experiment reveals why.
A Star’s Vast Glowing Shell May Help Solve Its Identity Crisis
A vast hydrogen arc around VX Sagittarii may record the star’s mass loss—and offer a new test of its disputed identity.
The Ternary Digits That Decide Where a Fractal Curve Turns
A new analysis of the base-three Delange function reveals how ternary digits encode its dense peaks, valleys and infinite slopes.
Two Nine-Line Diagrams Match, but Their Algebra Tells Another Story
Two nine-line arrangements share every intersection pattern, yet hide different algebraic relations—while a related measure stays predictable.
A Neutron Star’s Hidden Phase Boundary Could Tug on Its Final Orbit
A neutron star’s hidden core may reveal itself through a vibration that nudges its orbit and leaves a subtle gravitational-wave clue.
The Quantum Gas That Lost Its Condensate—and Then Rebuilt It
After turbulence depleted a rubidium condensate, researchers watched low-momentum modes refill—and found a related inverse cascade in another quantum gas.
The Universe’s Missing Lithium May Be Hiding Inside Ancient Stars
Ancient stars contain less lithium than the Big Bang predicts. Stellar mixing, nuclear reactions and new cosmologies offer competing clues.
Quaoar’s Rings Defy the Boundary That Should Turn Them Into Moons
Quaoar’s two rings orbit where they should become moons. Occultations and a new model offer clues to how they resist clumping.
The Moon’s Buried Layers Faced a Test on Earth—and Some Failed
A rover radar’s apparent lunar layers also appeared in Earth tests. A later Moon mission shows how calibration can separate signal from geology.
Why the Sun’s Wind Sometimes Sends Its Magnetic Field Backward
Parker Solar Probe found magnetic reversals in the solar wind. Researchers are tracing whether they form near the Sun or farther out.
How a Dusty Smudge Became a Second Planet in a Young System
A once-ambiguous red spot near WISPIT 2 now appears to be a second giant planet, revealing how astronomers test worlds in their birth disks.