Stories By 'CARL ZIMMER'
High in the mountains of Central America lives a little known creature called Alston’s singing mouse. This rodent, which spends its life scuttling around the floor of the cloud forest, may not seem like it has much to tell us about ourselves.
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It felt as if humanity had crossed an important line: In China, a scientist named He Jiankui announced on Monday that twins had been born in November with a gene that he had edited when they were embryos.
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Mushrooms that don’t brown. Wheat that fights off disease. Tomatoes with a longer growing season. All of these crops are made possible by a gene-editing technology called Crispr-cas9. But now its future has been clouded by the European Union’s top court.
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The oldest stone tools outside Africa have been discovered in western China, scientists reported on Wednesday. Made by ancient members of the human lineage, called hominins, the chipped rocks are estimated to be as much as 2.1 million years old.
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Over the past few million years, the ancestors of modern humans became dramatically different from other primates. Our forebears began walking upright, and they lost much of their body hair; they gained precision-grip fingers and developed gigantic brains.
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