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Phys.org / Understanding how cells take up and use isolated mitochondria to restore energy function

Mitochondria are essential for cell survival, repair, and adaptation. Not only do they generate most of the energy needed during a cell's life, but they also regulate cell death, calcium balance, and responses to stress. ...

16 hours ago in Biology
Phys.org / NASA finds source of Artemis II problem that forced rollback from the launch pad

NASA announced it had found the source of a helium flow blockage that forced it to roll the Artemis II rocket back from the launch pad at Kennedy Space Center and delay its lunar fly-by mission until at least April.

14 hours ago in Astronomy & Space
Medical Xpress / AI could help predict your risk of breast cancer in the next four years

An artificial intelligence (AI) algorithm used to detect breast cancer in screening scans has been adapted into a risk score that estimates a woman's risk of developing breast cancer over the next four years, according to ...

15 hours ago in Oncology & Cancer
Phys.org / Vocal analysis and AI uncover two new Amazon antbirds in five-species complex

Scientists have discovered that a widely recognized Amazonian antbird is not one, but five distinct species—including two completely new to science. This revelation of hidden biodiversity was achieved by integrating artificial ...

15 hours ago in Biology
Tech Xplore / Zeolite 'thermal batteries' could cut data center cooling power up to 86%

Data centers—the warehouse-sized buildings that store photos, stream movies and train artificial intelligence—are voracious consumers of electricity. A surprisingly large share of that power never reaches a microchip. ...

18 hours ago in Technology
Phys.org / Ctenophore research points to earlier origins of brain-like structures

New 3D reconstructions of a key sensory organ in ctenophores reveal an unexpected structural and functional complexity. The findings suggest that an elementary brain may have already appeared in our most ancient relatives, ...

19 hours ago in Biology
Phys.org / Female astronauts face clotting risks, five-day weightlessness simulation suggests

Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in orbit, say Simon Fraser ...

17 hours ago in Astronomy & Space
Phys.org / Evolution of new physical traits in mollusks has declined and grown more predictable over time

Paleobiologist Geerat Vermeij is enthralled with mollusks. Their shells line the surfaces and fill the cabinets and drawers in his office on the second floor of the Earth and Planetary Sciences Building at UC Davis. But Vermeij's ...

16 hours ago in Biology
Phys.org / Claims of 'rediscovered' Michelangelos unsettle Renaissance experts

An independent researcher claimed on Wednesday that a marble bust of Christ in a Roman church is by Michelangelo, the latest purported attribution to the Renaissance genius who is one of the most imitated artists in the world.

18 hours ago in Other Sciences
Phys.org / Oldest known bony fish fossils uncover early vertebrate evolution

A research team led by Profs. Zhu Min, Lu Jing, and Zhu You'an from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences published two back-to-back cover stories in the ...

20 hours ago in Biology
Medical Xpress / First gene regulation clinical trials for epilepsy show promising results

A Phase I/IIa clinical trials co-led by Linda Laux, MD, from Ann & Robert H. Lurie Children's Hospital of Chicago, show that the first gene regulation treatment for epilepsy is safe and well tolerated by patients with Dravet ...

16 hours ago in Genetics
Medical Xpress / Life-changing drug identified for children with rare epilepsy

A new experimental treatment for children with a hard-to-treat form of epilepsy is safe and can reduce seizures dramatically, helping them lead much healthier and happier lives, according to the findings of a UCL (University ...

16 hours ago in