Mathematics

Fractal patterns reveal hidden limits to AI predictability

Researchers at the University of Sydney have identified a fundamental mathematical reason why artificial intelligence systems can learn different behaviors even when trained under almost identical conditions, a discovery ...

Paleontology & Fossils

Prehistoric 'giant rat' found in Thailand from fossil teeth

A giant rodent weighing around 30 kilograms (66 pounds) roamed what is now southern Thailand 33 to 35 million years ago, scientists said, after identifying a previously unknown species from two fossilized teeth.

Ancient coins suggest influential Iron Age king was female

Bournemouth University (BU) archaeological research has revealed that Iron Age British ruler "Verica," who was central to the Roman invasion of Britain in A.D. 43, was in fact a woman. This discovery rewrites the history ...

Foot-stiffening socks could make walking less tiring

Human feet are much stiffer than those of other primates, which means they limit midfoot bending during walking. The evolutionary reasons for this are not entirely clear. One idea is that the features that stiffen the foot ...

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Tech Xplore

Mice that watch fights come away battle-ready

People love to watch violent things. From slasher films to boxing, there's some intrinsic appeal to watching people get pummeled. The dystopian thriller "Squid Game," for instance, debuted in 2021 and in three years racked ...

Google turns off AI for schoolchildren by default

Google has said it will switch off its AI tools for schoolchildren by default, after drawing criticism for pushing artificial intelligence features to students while schools are still debating how the technology should be ...

NOAA, NASA release measurements of 2026 ozone hole

Atypical weather conditions caused the Antarctic ozone hole to grow to an unusually large size in 2026, NOAA and NASA scientists reported today, though they said the protective ozone layer is still on track to recover by ...

Mitigating the ecological consequences of light pollution

Light pollution is one of the fastest-growing and least-regulated environmental changes worldwide. It disrupts biological processes at all levels—from genes to entire ecosystems—and contributes significantly to global biodiversity ...