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Phys.org / Ancient dust points to retreat of West Antarctic Ice Sheet during last warm period
Antarctica's Ross Ice Shelf and the West Antarctic Ice Sheet may have been far smaller during one of Earth's most recent warm periods, according to a new study that traced the origin of ancient dust preserved in Antarctic ...
Phys.org / Plastic upcycling method turns food packaging into faster-degrading materials
Scientists have discovered a way to convert widely used plastics into new materials with distinct properties that degrade more rapidly. Applying this new process to upcycle existing plastics—such as those used for food packaging ...
Tech Xplore / Q&A: Considering the Pentagon's new UFO files in the age of drones and AI
The U.S. Department of Defense released new batches of never-before-seen UFO files, including photos and video, on May 8 and 22. Greg Eghigian, professor of history and bioethics at Penn State and author of "After the Flying ...
Medical Xpress / Lung cancer patients who smoke and don't quit before surgery still have positive outcomes, says study
Researchers at the University of Cincinnati College of Medicine have found that patients who continue to smoke ahead of lung cancer surgery have a higher risk of pulmonary complications, but their short-term mortality rate ...
Medical Xpress / CAR T moves beyond cancer, targeting autoimmune disease with immune system reset
At age 49, Jan Janisch-Hanzlik's multiple sclerosis was destroying her freedom to live the life she wanted. She gave up her active nursing job for a desk role. Frequent falls made her afraid to carry her grandchildren. She ...
Phys.org / Discovery of furtivovirus advances understanding of giant virus evolution
In evolutionary biology, all life on Earth is theoretically part of a single phylogenetic tree, indicating common ancestry. This model suggests that every living organism can be traced back to a distant common ancestor. However, ...
Tech Xplore / In a sea of hype, here are the AI 'nothingburgers' you don't hear about
It's now a common experience to receive an AI-generated email that's robotic and hollow, or get a stream of useless chatbot responses when you just need some help from customer service.
Medical Xpress / International study highlights impact of restrained sitting on movement behaviors in young children
Researchers at LSU's Pennington Biomedical Research Center, in collaboration with investigators from 32 countries participating in the SUNRISE International Study, have published new findings examining how restrained sitting ...
Phys.org / Mysterious acids keep bacteria rod-shaped by restraining rogue enzyme, experiments reveal
Researchers have discovered how acids on the surface of bacteria give these microscopic organisms their characteristic "rod" shape—by keeping an enzyme at bay that would otherwise turn the cylindrical cells into shape-shifting ...
Phys.org / The human gaze speaks to children, who remain insensitive to the gaze of humanoid robots
Very young children (even as young as 3 years old) can read intention and preferences in the eyes of a person, but they do not recognize this type of nonverbal communication in the gaze of a humanoid robot.
Phys.org / Platform fast-tracks microbial design for high-temp manufacturing
Scientists at the Department of Energy's Oak Ridge National Laboratory have developed a platform that engineers heat-loving microbes for industrial-scale manufacturing in a matter of weeks compared with previous approaches ...
Medical Xpress / Sleep disorders linked to socioeconomic disparities in Appalachia
Appalachia has a legacy of making the most with limited resources, but there's one thing that there's no way to stretch: sleep.
