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NEW YORK – Researchers have found a way to gauge how long-lived an animal species is based on the density of methylation at particular genomic sites.

Aging is associated with epigenetic changes, and a person's age can be estimated using an epigenetic clock. A team of Australian researchers sought to examine whether other species' lifespans can similarly be gleaned from epigenetic patterns.

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The Guardian reports that visa costs could prevent scientists and others from coming to the UK.

The Trump Administration is reconsidering its plan to issue an executive order to require federally funded research to be freely available upon publication, Times Higher Education reports.

Nature News says some preprint repositories may close down due to a lack of funds to cover costs.

In Nature this week: framework for analyzing cancer mutational signatures, treatment resistance in small cell lung cancer followed by increased intratumoral heterogeneity, and more.