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Scientists

Covid Lambda Variant of Peru: What Scientists Know

Viruses develop. SARS-CoV-2, the virus that causes Covid-19, is no exception. So the emergence of variants is no surprise, and not every new genetic mutation poses a serious threat.But in recent weeks a growing drum of news coverage has…

Scientists Grow Mouse Embryos in a Mechanical Womb

The mouse embryos looked completely normal. All of her organs developed as expected, along with her limbs, as well as the circulatory and nervous systems. Their tiny hearts beat at a normal 170 beats per minute.But these embryos did not…