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Phys.org / Living tissues are shaped by self-propelled topological defects, biophysicists find

With a new mathematical model, a team of biophysicists has revealed fresh insights into how biological tissues are shaped by the active motion of structural imperfections known as "topological defects." Published in Physical ...

4 hours ago in Physics
Medical Xpress / Study reveals inequalities in men with learning disabilities and prostate cancer

Shocking inequalities experienced by men with learning disabilities when diagnosed with prostate cancer have been highlighted in a study by University of Manchester and Christie NHS Foundation Trust researchers. Published ...

1 hour ago in Oncology & Cancer
Phys.org / SpaceX rocket left behind a plume of chemical pollution as it burnt up in the atmosphere

Space junk returning to Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found.

1 hour ago in Astronomy & Space
Tech Xplore / AI 'blind spot' could allow attackers to hijack self-driving vehicles

A newly discovered vulnerability could allow cybercriminals to silently hijack the artificial intelligence (AI) systems in self-driving cars, raising concerns about the security of autonomous systems increasingly used on ...

2 hours ago in Security
Phys.org / Symbiotic bacteria in planthoppers break record for smallest non-organelle genome ever found

Many insects rely on heritable bacterial endosymbionts for essential nutrients that they cannot get through their diet. A new study, published in Nature Communications, indicates that the genomes of these symbiotic bacteria ...

5 hours ago in Biology
Medical Xpress / Stunning new maps of myelin-making mouse brain cells advance understanding of nervous system disorders

Johns Hopkins scientists say they have used 3D imaging, special microscopes and artificial intelligence (AI) programs to construct new maps of mouse brains showing a precise location of more than 10 million cells called oligodendrocytes. ...

2 hours ago in Neuroscience
Tech Xplore / New chip-fabrication method creates 'twin' fingerprints for direct authentication

Just like each person has unique fingerprints, every CMOS chip has a distinctive "fingerprint" caused by tiny, random manufacturing variations. Engineers can leverage this unforgeable ID for authentication, to safeguard a ...

Phys.org / 3D method can accurately measure gravity in wide binary stars, as demonstrated by pilot study

Since the third Gaia data release in 2022, wide binary stars with separation greater than several thousand astronomical units have been intensely investigated across the world, to probe the nature of gravity in the low acceleration ...

3 hours ago in Astronomy & Space
Medical Xpress / Uneasy at the dentist? You're not alone

Settling into a cushy reclining chair and closing your eyes while soft music plays is appealing, except perhaps at the dentist's office. According to a recent report in the Journal of the American Dental Association, 72% ...

1 hour ago in Dentistry
Phys.org / Can a chatbot be a co-author? AI helps crack a long-stalled gluon amplitude proof

Like many scientists, theoretical physicist Andrew Strominger was unimpressed with early attempts at probing ChatGPT, receiving clever-sounding answers that didn't stand up to scrutiny. So he was skeptical when a talented ...

6 hours ago in Physics
Phys.org / REGALADE: The most extensive catalog of galaxies for modern astronomy

An international team of scientists led by the Institute of Cosmos Sciences at the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC) has presented REGALADE, an unprecedented catalog covering ...

3 hours ago in Astronomy & Space
Medical Xpress / Why chronic pain lasts longer in women: Immune cells offer clues

Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why.

3 hours ago in Neuroscience