DNA analysis of people buried in an early African American cemetery revealed their ancestry and descendants in the United States. |
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SARS-CoV-2, the virus that causes COVID-19, can cause lasting damage to energy production by mitochondria in many organs of the body. |
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Scientists identified cells that play key roles in cartilage creation and the regrowth of severed tails in a small lizard.The findings may point to new avenues for repairing damaged cartilage in humans. |
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