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Phys.org / Scientists use lasers to determine the age of sharks

Not many scientific studies sound like a Bond film, but ours really does involve lasers, sharks and doctors (of research, not the evil kind).

May 4, 2026
Phys.org / Arctic winter sea-ice extent fails to expand and sets a new record low in 2026

In 2026, the Arctic winter sea-ice extent (annual maximum extent) reached the lowest value since satellite observations began in 1979, following the previous record low in March 2025. As part of the Arctic Challenge for Sustainability ...

May 4, 2026
Science X / That split-second panic when something rushes toward you may hinge on one deceptively simple sound cue

Those jolts of terror that seem to occur whenever a noise comes closer? While we assume that this is an age-old survival reaction, modern revelations show that there may be an easier explanation for what's occurring.

May 2, 2026
Medical Xpress / Lithium not working? Large-scale study highlights favorable treatment strategies for bipolar disorder

Bipolar disorder is a mental health condition estimated to affect between 1% and 3% of people worldwide. Its main symptoms include extreme mood swings, ranging from periods of high activity and emotional high (i.e., mania) ...

May 2, 2026
Phys.org / A leading journal finds that AI is flooding academic publishing with lower quality work

Artificial intelligence can undoubtedly help scientists with their academic papers by summarizing research and helping to improve writing. However, one downside is that it has led to a wave of poorly written submissions and ...

May 1, 2026
Phys.org / Dinosaurs may have originated 10 million years earlier than fossils show

Dinosaurs are among the most majestic and iconic animals to have ever walked on our planet. While they are now extinct, they are estimated to have inhabited Earth for over 165 million years.

May 1, 2026
Phys.org / Physicists achieve first-ever 'quadsqueezing' quantum interaction

Researchers at the University of Oxford have demonstrated a new type of quantum interaction using a single trapped ion. By creating and controlling increasingly complex forms of "squeezing" – including a fourth-order effect ...

May 1, 2026
Phys.org / Explosive evaporation unlocks new possibilities in 3D printing and chemical analysis

Water droplets might seem simple at first. But when nearing evaporation, a desperate power struggle of competing physical forces can emerge, with explosive effects. In a Proceedings of the National Academy of Sciences publication, ...

May 1, 2026
Phys.org / Digging deeper: How to protect pets from the New World screwworm

Pet owners may be diligent about routine care, but even a minor wound can put animals at risk for dangerous parasites. One parasite that poses a potential threat is the New World screwworm (NWS), a parasitic fly whose larvae ...

May 4, 2026
Phys.org / New imaging method maps reversed DNA replication forks in single cells

Researchers at The University of Texas MD Anderson Cancer Center have developed a new imaging method, known as RF-SIRF, that quantitatively detects and maps reversed DNA replication forks with single-cell resolution. The ...

May 3, 2026
Phys.org / Locked in stone for 210 million years, this newly identified crocodile cousin was built to crush larger prey

On a fateful day 210 million years ago, two crocodile cousins about the size of jackals stood side-by-side amid the low ferns of a humid riverbank that would one day become northern New Mexico. One of the crocs, Hesperosuchus ...

May 2, 2026
Medical Xpress / Blocking a cellular inflammation process could result in effective therapy for pancreatic cancer

Scientists at The Wistar Institute and clinical researchers from ChristianaCare's Helen F. Graham Cancer Center & Research Institute have discovered a vulnerability in pancreatic cancer that could be targeted as a potential ...

May 3, 2026