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Phys.org / Four-eyed Cambrian fish fossils hint at origins of vertebrate pineal complex

New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, takes a closer look at a structure found in multiple 518 million-year-old fossils, which appears ...

Jan 22, 2026 in Biology
Phys.org / Are your memories illusions? New study disentangles the Boltzmann brain paradox

In a recent paper, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst examine a longstanding, paradoxical thought experiment in statistical physics and cosmology known ...

Jan 21, 2026 in Physics
Phys.org / Unified framework sorts spacetime fluctuations for quantum-gravity experiments

A team of researchers led by the University of Warwick has developed the first unified framework for detecting "spacetime fluctuations"—tiny, random distortions in the fabric of spacetime that appear in many attempts to ...

Jan 21, 2026 in Physics
Phys.org / Encouraging students to socialize at an early stage can prevent loneliness

Loneliness is a common problem among students. However, encouraging students to socialize at an early stage can improve the well-being of this group. This is evident from an experiment with a new preventive intervention developed ...

21 hours ago in Other Sciences
Phys.org / Massive black hole mystery unlocked by researchers

It's one of astronomy's great mysteries: how did black holes get so big, so massive, so quickly. An answer to this cosmic conundrum has now been provided by researchers at Ireland's Maynooth University (MU) and reported today ...

Jan 21, 2026 in Astronomy & Space
Phys.org / Astronomers discover dense super-Neptune exoplanet orbiting a sun-like star

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet orbiting a sun-like star. The newfound alien world, designated TOI-3862 b, turns out to ...

Jan 22, 2026 in Astronomy & Space
Medical Xpress / Recalled tuna posing botulism risk inadvertently sent to 9 states

Some canned tuna associated with a 2025 recall has been pulled from grocery stores in nine states, federal health officials said.

23 hours ago in Health
Phys.org / Vast cluster of ancient galaxies could rewrite the history of star formation

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming stars at an intense rate from collapsing clouds of dust. Reported in Astronomy & Astrophysics by ...

Jan 20, 2026 in Astronomy & Space
Phys.org / 'Expertise' shouldn't be a bad word. Expert consensus guides science and society

A growing distrust of expertise is reshaping the terrain of science in the United States.

Jan 22, 2026 in Other Sciences
Phys.org / Magnetic 'sweet spots' enable optimal operation of hole spin qubits

Quantum computers, systems that process information leveraging quantum mechanical effects, could reliably tackle various computational problems that cannot be solved by classical computers. These systems process information ...

Jan 22, 2026 in Physics
Phys.org / Bionic LiDAR system achieves beyond-retinal resolution through adaptive focusing

In a recent study, researchers from China have developed a chip-scale LiDAR system that mimics the human eye's foveation by dynamically concentrating high-resolution sensing on regions of interest (ROIs) while maintaining ...

Jan 21, 2026 in Physics
Phys.org / Full value added tax on meat: A first step towards pricing the environmental damages caused by diets

A study from the Potsdam Institute for Climate Impact Research (PIK) in Nature Food analyzes the ecological "footprint" from diets—and policy options to counteract through price signals. EU-wide, 23% of greenhouse gas emissions ...

Jan 20, 2026 in Earth