In a call today with farm directors for the 30 MLB teams, Major League Baseball laid out further tweaks to rules for the automated ball-strike system (ABS) and the pitch clock that will go into effect ...

Circadian clocks of organisms respond to light signals during night but do not respond in daytime. The time window where circadian clocks are insensitive to light signals is referred to as the 'dead ...

New research in mice reveals why the body is so slow to recover from jet lag. The study identifies a target for the development of drugs that could help us to adjust faster to changes in time zone.

Most organisms on Earth have circadian clocks. In mammals, the circadian pacemaker is located in the suprachiasmatic nucleus (SCN) of the brain. The SCN consists of about 20,000 neurons, and ...