Gene Editing Scientists successfully restore circadian function in the liver of arrhythmic mice Posted on February 17, 2021 by Editorial Staff Circadian clocks, which regulate the metabolic functions of all living beings over a period of about 24 hours, are one of the most fundamental biological mechanisms. Share on Facebook Tweet Follow us Share Share Share Share Share Editorial Staff U.S. life expectancy fell by a year in the first half of 2020, CDC report finds SARS-CoV-2 variants of concern drive up infections by 15-40 percent in Germany