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Phys.org / Hubble uncovers the secret of blue straggler stars that defy aging

Some stars appear to defy time itself. Nestled within ancient star clusters, they shine bluer and brighter than their neighbors, looking far younger than their true age. Known as blue straggler stars, these stellar oddities ...

Jan 22, 2026 in Astronomy & Space
Tech Xplore / Stress-testing AI vision systems: Rethinking how adversarial images are generated

Deep neural networks (DNNs) have become a cornerstone of modern AI technology, driving a thriving field of research in image-related tasks. These systems have found applications in medical diagnosis, automated data processing, ...

Jan 23, 2026 in Security
Phys.org / Light-controlled switches offer precise regulation of ion channels in living cells

Researchers at Leipzig University and TU Dresden have succeeded in developing biological switches that can selectively turn ion channels on and off using light pulses. Initial applications show that it is possible, for example, ...

Jan 23, 2026 in Biology
Medical Xpress / How exercise-induced migration of mitochondria protects the brain against stroke

Physical rehabilitation and symptom management still remain the mainstay of treatment for stroke, as clot removal or dissolution is effective only within a narrow time frame after the stroke. After that, many patients are ...

Jan 24, 2026 in Neuroscience
Tech Xplore / Engineers invent wireless transceiver that rivals fiber-optic speed

A new transceiver invented by electrical engineers at the University of California, Irvine boosts radio frequencies into 140-gigahertz territory, unlocking data speeds that rival those of physical fiber-optic cables and laying ...

Medical Xpress / CAR T cells with boosted BACH2 protein can fight cancer more effectively

UT Southwestern Medical Center researchers have discovered that increasing the levels of a protein called BACH2 makes engineered cancer-fighting immune cells behave more like stem cells, improving their therapeutic effectiveness. ...

Jan 23, 2026 in Oncology & Cancer
Phys.org / Arctic Weather Satellite paves way for constellation observation

Already recognized for its excellence and even adopted for operational weather forecasting, the European Space Agency's Arctic Weather Satellite has now fulfilled its most important role. This small prototype mission has ...

Jan 25, 2026 in Earth
Medical Xpress / Whole-food diet adherence means you really can eat much more and be well-nourished but still consume far fewer calories

Research led by scientists at the University of Bristol and co-authored by top US nutritional experts reveals that people following a completely unprocessed diet ate more than 50% greater amounts of food than those eating ...

Jan 20, 2026 in Health
Phys.org / Human penis size influences female attraction and male assessment of rivals, study suggests

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study by Upama Aich at the University of Western Australia and colleagues, published in PLOS Biology.

Jan 22, 2026 in Biology
Phys.org / Rule-breaking supermassive black hole discovered in the early universe

An international research team led by scientists at Waseda University and Tohoku University has discovered an extraordinary quasar in the early universe that hosts one of the fastest-growing supermassive black holes known ...

Jan 22, 2026 in Astronomy & Space
Phys.org / Discovery of PITTs shows platelets can switch from clotting to driving vessel inflammation

A team from Würzburg has fundamentally changed our understanding of platelet biology. The researchers demonstrate that the surface protein integrin αIIbβ3 is not only a key molecule in blood clotting, but can also act ...

Jan 23, 2026 in Biology
Phys.org / Rethinking where life could exist beyond Earth

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet should be neither too hot nor too cold for liquid water. A new study argues that this ring is too strict: ...

Jan 22, 2026 in Astronomy & Space