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This Week in Science

In Science this week, a multi-institute team reports sequencing 15 ancient genomes from humans who lived in areas ranging from Alaska to Patagonia — some more than 10,000 years ago — and were most closely related to Native Americans. The study reveals complex and dynamic population histories from North to South America, with evidence of rapid dispersal and early diversification — including previously unknown groups — as people moved south.

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Wired reports on how genetic genealogy's use in forensics has exploded in the year since an arrest in the Golden State Killer case was made.

Retraction Watch reports that the increase in retracted papers at a journal is due to more resources there to tackle publication ethics.

New York City has settled with a forensic scientist who was fired after questioning a DNA testing approach used by the medical examiner's office, the New York Times reports.

In Nature this week: technique for measuring replication fork movement, WINTHER trial results, and more.