Researchers at the University of Michigan have shown that entropic -forces as small as 100 femtonewtons are capable of altering gene expression. By applying force to DNA tethered to a microscope slide using optical tweezers optimized in their lab, Joshua Milstein says that he and his team were able to effectively slow the rate at which DNA loops were formed by 10-fold.

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Under a proposed spending bill, the US National Institutes of Health would see an additional $3 billion in funding.

Robert Redfield, the new pick to lead the US Centers for Disease Control and Prevention, has faced criticism for some of his work.

Researchers from the University of Oxford and the University of Sydney sequenced numerous platypus genomes to study their population history.

In Nature this week: sequenced genomes of five additional Neanderthals, and more.