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In PNAS this week: effect of PD-L1 expression on immunotherapy response, endogenous retrovirus segregation in European rabbits, and more.

Researchers report that even people with a high genetic risk of heart disease benefit from exercise, according to Time magazine.

New ancient DNA studies have revealed female-biased migrations into Bavaria during the Middle Ages and more ancient Neolithic farmer expansions into Iberia.

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Scientists call for addressing the effects of investigator gender on research results, NPR reports.

By sequencing seven new Mesolithic individuals, researchers retraced two hunter-gatherer migrations into Scandinavia after the Last Glacial Maximum.

Over the next three years, Immunovia and its partners will use the firm's Immray PanCan-d assay to screen 6,000 diabetes patients for pancreatic cancer.

CEO Anders Rylander said the company will initially market its DiviTum assay for breast cancer cases, though it could be used to monitor cell proliferation in all cancer types.

With genetic data for seven Stone and Iron Age individuals, researchers estimate that human populations in southern Africa started diverging more than 260,000 years ago.

By genotyping hundreds of individuals from populations in Sudan and South Sudan, investigators untangled genetic contributions from Eurasian groups migrating into Africa.

UK and Swedish researchers used a Mendelian randomization approach to study the association between serum calcium and heart disease and heart attack risk.

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The Washington Post reports that a Russian Academy of Sciences commission has led to the retraction of hundreds of scientific papers.

News 4 Jax reports that a Florida bill to prevent life and long-term care insurers from using genetic information in their coverage decisions has easily passed one committee.

The Los Angeles Times' Daily Pilot reports the chief executive of Vantari Genetics has pleaded guilty in a kickback scheme.

In Science this week: potentially pathogenic mutations found in hematopoietic stem cells from young healthy donors, and more.