Giuseppe Attardi, the molecular biologist and Caltech professor best known for his research into mitochondria, died at the age of 84, according to this obituary from the New York Times. Early studies of gene expression and protein synthesis by mitochondria "became the foundation for his widely recognized studies of how genetic mutations hinder the mitochondrion’s effectiveness and may result in a cell’s decline and aging," the article says.

 

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The partially reinstated US travel ban leaves space for uncertainty for researchers, Nature News says.

Researchers find a number of traits differ by sex and could affect mouse model studies, according to Reuters.

Tweaking the skin microbiome could help address some skin conditions, the New York Times reports.

In PNAS this week: DNA methylation profiles of tumor tissue, gene dynamics in prokaryotes, and more.