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Medical Xpress / Bone density does not determine floating ability, challenging decades of misconceptions

A landmark study has debunked the long-held belief that people of African, Caribbean and Asian heritage cannot float due to "heavy bones," after 93% of participants successfully floated for two minutes following proper instruction.

Dec 11, 2025 in Health
Phys.org / Archaeologists use lasers to locate ancient settlements and artifacts on Greek Islands

A group of scientists are studying the Cyclades, an island group in Greece's Aegean Sea, looking for signs of early human activity. They are using technology such as laser scanning and magnetometry, which may be more effective ...

Dec 8, 2025 in Other Sciences
Phys.org / Racing towards great white sharks in Australia

Sensible people might prefer to flee at torpedo speed from a great white shark, but there's one job in Australia that pays you to race toward the predators.

Dec 11, 2025 in Biology
Phys.org / Molten metal nano-droplets reveal new hybrid state of matter where solids meet liquids

Researchers have discovered that not all atoms in a liquid are in motion and that some remain stationary regardless of the temperature, significantly impacting the solidification process, including the formation of an unusual ...

Dec 9, 2025 in Nanotechnology
Phys.org / Child sexual exploitation, abuse online surges amid rapid tech change: New tool for preventing abuse unveiled

Societal and behavioral shifts, including growing recognition of children displaying harmful sexual behaviors and links to extremism, violence and financial scams are driving child sexual exploitation and abuse online, according ...

Dec 11, 2025 in Other Sciences
Medical Xpress / Sedative choice could improve outcomes for breathing tube patients

Doctors treating seriously ill patients in an emergency setting may want to give the sedative etomidate, rather than ketamine, while placing a breathing tube, according to a randomized trial published in the New England Journal ...

Dec 9, 2025 in Medications
Tech Xplore / AI-powered robotic dog sees, remembers and responds with human-like precision in search-and-rescue missions

Meet the robotic dog with a memory like an elephant and the instincts of a seasoned first responder.

Dec 9, 2025 in Robotics
Medical Xpress / Daily scans during prostate cancer could guide changes to treatment, reduce the risk of side effects, study suggests

Daily scans taken during prostate cancer radiotherapy could be repurposed to guide changes to treatment, reducing the risk of side effects, a study suggests.

Dec 11, 2025 in Oncology & Cancer
Phys.org / Long-term study of nearby blazar reveals complex emission patterns

Using NASA's Swift and Fermi space telescopes, Indian astronomers have conducted a long-term multiwavelength study of a nearby blazar designated TXS 0518+211. Results of the study, published Nov. 26 on the arXiv pre-print ...

Dec 5, 2025 in Astronomy & Space
Tech Xplore / New gamified tool helps defend satellite supply chains from cyber threats

As the world's reliance on satellites intensifies, so too does the risk of sophisticated cyberattacks targeting space-based systems and critical infrastructure, with almost 240 cyber hacks targeting the space sector in the ...

Dec 11, 2025 in Computer Sciences
Medical Xpress / Researchers detect early brain changes linked to future psychosis development

Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), and NHG Health's Institute of Mental Health (IMH) have mapped how brain networks differ in individuals at Clinical High ...

Dec 9, 2025 in Psychology & Psychiatry
Medical Xpress / Cuffless blood pressure technologies in wearable devices show promise to transform care

Cuffless devices to measure blood pressure, such as smartwatches, rings, patches and fingertip monitors, show great promise as alternatives to traditional arm-cuff monitors, however, they are not yet proven accurate enough ...

Dec 11, 2025 in Cardiology