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Phys.org / Ancient Alaskan site may help explain how the first people arrived in North America

New evidence has emerged that sheds light on the possible first people to populate the Americas. Dating of stone and ivory tools found at an archaeological site in Alaska suggests that these early pioneers traveled through ...

Feb 2, 2026 in Other Sciences
Phys.org / New hybrid films could cut costs for direct X-ray detectors

In medicine, security, nuclear safety and scientific research, X-rays are essential tools for seeing what remains hidden. The materials used to create X-ray detectors can be rigid, expensive and laborious to produce. But ...

Feb 7, 2026 in Chemistry
Phys.org / Solid, iron-rich megastructure under Hawaii slows seismic waves and may drive plume upwelling

Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure within the core-mantle boundary (CMB). A new study, published in Science Advances, takes a deeper ...

Feb 3, 2026 in Earth
Phys.org / JWST discovers a new extremely metal-poor dwarf galaxy

Using the James Webb Space Telescope (JWST), astronomers have discovered a new dwarf galaxy, which received designation CAPERS-39810. Further investigation of CAPERS-39810 revealed that it is an extremely metal-poor galaxy. ...

Feb 3, 2026 in Astronomy & Space
Phys.org / A student made cosmic dust in her lab—what she found could help us understand how life started on Earth

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust from scratch. The results shed new light on how the chemical building blocks of life may have formed ...

Feb 2, 2026 in Astronomy & Space
Phys.org / The surprising power of a tiny, disordered protein in a mitochondrial supercomplex

For decades, scientists assumed that order drives efficiency. Yet in the bustling machinery of mitochondria—the organelles that crank out adenosine triphosphate (ATP), the universal "energy currency" of cells—one of the ...

Feb 6, 2026 in Biology
Tech Xplore / Will AI put me out of a job? How artificial intelligence is being used in casino gaming

Will artificial intelligence put me out of a job? That's the lingering fear some employees in the gaming industry are contemplating as rapidly evolving technology is deployed in workplaces across the globe, including in casino ...

Feb 8, 2026 in Business
Phys.org / Researchers demonstrate organic crystal emitting red light from UV and green from near-infrared

Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and optical sensing. Ultraviolet and near-infrared wavelengths are routinely used in these fields, yet ...

Feb 6, 2026 in Physics
Phys.org / Weight-loss drugs are creating an environmental disaster—a new water-based method aims to change that

The world is in the middle of a peptide drug revolution. These short chains of amino acids—the building blocks of proteins—sit at the heart of some of the most successful medicines ever created, from weight-loss injections ...

Feb 3, 2026 in Chemistry
Medical Xpress / Experimental pill dramatically reduces 'bad' cholesterol

An experimental pill called enlicitide slashed levels of low-density lipoprotein (LDL) cholesterol, commonly known as "bad" cholesterol, by up to 60%, according to a new phase three clinical trial published in the New England ...

Feb 5, 2026 in Medications
Phys.org / Finger length could provide vital clue to understanding human brain evolution

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length of a person's fingers. ...

Feb 5, 2026 in Biology
Phys.org / Functional forecasting: Using Homeland Security exercises to evaluate storm decision support tool

In a paper in the Journal of Coastal and Riverine Flood Risk, a team from the University of Rhode Island discusses the novel application of Homeland Security exercises to evaluate emergency managers' use of their simulation ...

Feb 8, 2026 in Earth