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Virus Variants Threaten to Draw Out the Pandemic, Scientists Say

For weeks, the mood in much of the United States has been buoyant. Cases, hospitalizations and deaths from the coronavirus have fallen steeply...

Can Vaccinated People Spread the Virus? We Don’t Know, Scientists Say.

The Centers for Disease Control and Prevention on Thursday walked back controversial comments made by its director, Dr. Rochelle P. Walensky, suggesting that...

Xenobots 2.0? Scientists create improved biological robots from frog cells capable of ‘swarm’ behavior, memory & self-healing — RT USA News

Researchers have developed new and improved xenobots, tiny biological machines constructed from frog cells that...

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