Monthly Archives: July 2020

Study sheds light on the evolution of the first dinosaurs

The microscopic crystals of the mineral zircon with uranium were separated from the rock samples and analyzed using the U-Pb isotope technique in the MIT isotope laboratory. These zircons produced a precise age of 221.82 ± 0.10 Ma for the upper Ischigualasto Formation. Credit: Courtesy of the researchers. The classic …

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29 new cases of coronavirus have been reported in Maine

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