Exercise can lead to changes in people's overall health and risk of disease, the New York Times Well blog writes, but the mechanism through which those changes arise are not quite clear. "Several striking new studies, however, provide some clarity by showing that exercise seems able to drastically alter how genes operate," Gretchen Reynolds says in the Times.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.