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Researchers date the oldest known human skull at 233,000 years
Enlarge (credit: Vidal et al 2022) The oldest known Homo sapiens fossil is about 36,000 years older than previously thought, according to a recent study. Volcanologists matched a layer of ash above the fossil skull to an eruption of southern Ethiopia’s Shala volcano 233,000 years ago. Their findings seem to line up well with other […]
Details of 9 puzzling hepatitis cases rule out SARS-CoV-2 as culprit, CDC says
Enlarge / Liver lesions in patient with chronic active hepatitis C. (credit: Getty | BSIP) The US Centers for Disease Control and Prevention has ruled out the pandemic coronavirus, SARS-CoV-2, as a possible cause of the puzzling, international outbreak of severe hepatitis (liver inflammation) in children, according to a statement released Friday. The outbreak has […]
Biden admin could set emissions limits so high gas cars can’t meet them
Enlarge (credit: Thomas Kienzle / AFP / Getty Images) The Environmental Protection Agency will be issuing revised fuel economy standards by the end of July, said new EPA Administrator Michael Regan, rewriting Trump-era limits that dictate emissions limits for cars and light trucks through the 2026 model year. The goal with the revised standards, he […]