Freeze-frame: Researchers develop world's fastest microscope that can see electrons in motion - Phys.org



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Hybrid COVID variant XEC is more contagious: What to know about the new strain - USA TODAY
A 70-year-old lost 70 pounds and got into weight-lifting. She shares 4 tips for getting fit whatever your age. - Business Insider

Will the next pandemic be a self-fulfilling prophecy? A leading epidemiologist and onetime Pitt dean has thoughts. - Pittsburgh Post-Gazette
How Ozempic Works—and What’s Still a Mystery - Gizmodo