Four lectures highlight the research of two scientists who have made groundbreaking discoveries elucidating the molecular basis of circadian clocks—the internal timekeepers that govern fluctuations in behavior and physiology on a 24-hour cycle.
Dr. Joseph Takahashi takes us on an exciting journey into a very special region of the brain—the biological clock that governs our physiology and certain behaviors.
Although tiny in size, the fruit fly has had a major impact on our understanding of circadian rhythms.
A close-up view of the sound-producing structure on the wing of a field cricket (Gryllus pennsylvanicus).
The bobtail squid swims during the night to hunt. During the day, it burrows to hide from predators.
This time-lapse videoclip shows human circadian activity while assembling a T. rex skeleton.
This time-lapse videoclip illustrates a mouse's nocturnal behavior.
This animation series shows four experiments that compare the activity patterns of a wild-type fly keeping a normal schedule with those of a mutant fly apparently following a 19-hour internal clock.
This survey, developed by Horne and Ostberg, will let you determine if you are a morning or an evening person.