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The skull of the thylacine, the marsupial predator hunted to extinction in Tasmania in 1936, combines features found in no living meat-eating mammal, according to a study published Aug. 31 in Nature…
Four cardiac societies have replaced the numbered types used to classify myocardial infarction, the clinical term that includes heart attack, with three categories named for the cause. The Fifth…
Under Net Zero, Dam Reservoirs Would Become the Energy Sector's Top Emitter by 2050 Greenhouse gases from hydropower reservoirs would account for 87% of energy-sector emissions by 2050 if the rest of…
Socket, an application-security company, said on Aug. 27 it had identified 19 malicious browser extensions, 18 in the Chrome Web Store and one in the Microsoft Edge Add-ons store, that drain…
A survey of the northern Gulf of Mexico has found that 70 bottom simulating reflections (the seismic echo geologists use to trace how deep methane hydrate reaches beneath the seafloor) do not…
Debian, the volunteer-run Linux distribution, has adopted a policy statement that "neither endorses nor prohibits" the use of generative AI tools in its software, packaging and documentation. The…
Tuberculosis bacteria take DNA damage as they dry out inside the airborne droplets that carry them from one person to the next, and that damage switches on a repair system that helps…
Patients with heart scarring and moderately reduced pumping function got no overall benefit from an implanted defibrillator, according to the CMR GUIDE trial published in JAMA on Aug. 28. The trial's…
A very-low-carbohydrate ketogenic diet raised liver insulin sensitivity two to three times more than a Mediterranean or a very-low-fat diet in people who lost the same amount of weight on all three,…
A shorter, response-tailored course of antibiotics for a serious heart infection left patients a median of 13 more days alive and off antibiotics over six months than the standard four-to-six-week…
A group at EPFL reports gallium nitride diodes, grown on silicon wafers, that block more than 3.9 kilovolts before breaking down while their on-resistance, measured per unit of chip area, stays as…
Twelve nearby stars near the top of the target list for NASA's Habitable Worlds Observatory expose their habitable zones to 10 to 100 times as much X-ray and extreme-ultraviolet radiation as the…