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Phys.org / Ripple-like rings of the 'Bullseye galaxy' could be explained by dark matter
Two U.S. physicists have suggested that the nine concentric rings surrounding the galaxy LEDA 1313424, also known as the Bullseye galaxy, could have emerged through the quantum behavior of particles of dark matter. Through ...
Phys.org / Perfectly preserved pterosaur wing rewrites the fossil rulebook
An international study led by Curtin University has revealed new insights into how an ancient flying reptile was preserved in extraordinary detail for 113 million years, offering a rare glimpse into a vanished world.
Phys.org / Hidden electric space waves are quietly cleaning Earth's 'killer' electrons
High above our heads, a silent battle is unfolding within Earth's magnetic shield. For decades, scientists have tracked "killer electrons"—ultrafast particles capable of piercing satellite armor and endangering astronauts ...
Phys.org / Analysis of 352 probiotic supplements finds mismatched microbes across marketed health benefits
Probiotic supplements found in drugstores nationwide contain an assortment of microbes sold for specific health purposes despite limited understanding of the microbes' connections to their marketed use, new University of ...
Phys.org / Pigeons' eyes are almost perfectly still when they're flying, study finds
When pigeons are flying through the air, they lock their eyes in a near-fixed position instead of moving them around. Researchers from Harvard University discovered this after attaching a lightweight rig of cameras and mirrors ...
Medical Xpress / Fish oil supplements may not prevent Alzheimer's-related decline, clinical trial suggests
Americans spend more than $1 billion annually on fish oil supplements, in part because of purported cognitive benefits from the omega-3 fatty acids they contain, essential nutrients that help form brain cell connections needed ...
Phys.org / Diamond-based particle detector captures one-picosecond electron bursts for high-rate beam diagnostics
Physicists at UC Santa Cruz and other institutes across California and New Mexico have developed a detection system that will allow next-generation particle accelerators to better reveal fundamental biological and chemical ...
Phys.org / Corrected microbial family tree offers statistically sound model for how earliest life forms evolved
In this era of Big Data, the prevailing wisdom is that more information leads to better answers. However, a new Canadian study shows that in the hunt for life's ancient ancestors, more data can actually lead to less truth. ...
Phys.org / Long gamma-ray bursts may trace collapsing stars rather than neutron-star mergers
Long-duration gamma-ray bursts are some of the most energetic events in the universe, releasing more energy in just a few seconds than the sun emits in 10 billion years. Los Alamos National Laboratory scientists, having discovered ...
Tech Xplore / Spin-orbit torque hardware creates random keys and reveals unauthorized access attempts
The information exchanged by modern devices is typically protected by cryptographic techniques, approaches that convert readable data into scrambled, unreadable code that can only be deciphered by authorized parties or devices. ...
Medical Xpress / Videos help new dads learn about infant safety before bringing newborn home
Brief videos shown in the hospital newborn nursery may be an effective way to educate first-time fathers on infant care topics, such as safe sleep, infant crying and car safety, according to a pilot study published in the ...
Medical Xpress / Jeremy Clarkson has aggressive prostate cancer. What makes some cancers more aggressive than others?
UK media celebrity Jeremy Clarkson this week revealed he has been diagnosed with an aggressive form of prostate cancer.