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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 / Deadly droughts and floods wipe out young California salmon en route to Pacific

Salmon are becoming river "ghosts" as brutal droughts and violent floods cause unprecedented losses on their treacherous journey to the Pacific Ocean, scientists say. A study led by the University of Essex; NOAA Fisheries; ...

May 3, 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 / 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
Phys.org / Close-in planets act as 'bouncers' to create rogue worlds

Rogue planets sound like rare travelers among the stars, freed from the gravitational constraints of a host system, left to forever wander the interstellar void. But modern models suggest these free floating planets (FFPs) ...

May 4, 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 / Rising seas may unlock coastal carbon stores, with losses up to 90%

Rising sea levels could do more than flood coastlines. Research from Missouri University of Science and Technology shows they may also trigger the release of large amounts of carbon stored in coastal ecosystems into the atmosphere.

May 4, 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 / Necro-branding: Why are deceased celebrities like Michael Jackson still popular when dead?

As "Michael," a major biographical film on Michael Jackson, hits cinemas more than a decade and a half after the singer's death, a new study shows that dead artists' brands remain powerful long after they are gone.

May 4, 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
Medical Xpress / Managing weight may slow brain aging within two years, 24-year data suggest

Being overweight may lead to accelerated cognitive decline, according to new research from the University of Georgia. The paper is published in the Journal of Neurology.

May 4, 2026