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Nature Is Still Molding Human Genes, Study Finds

Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes.

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The U.S. Relies on Family Caregivers. Millions of Them Are Kids.

The modern health care system requires the work of caregiving to fall to whoever else lives in a household — even if they’re kids. from NY...

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