Christian Marclay’s 24-hour film — and a century of cinema history — is on view at the Museum of Modern Art, returning after ...
Clocks turned back one hour across most of Canada this morning as daylight time came to an end. While the shift to standard time offered many Canadians a chance to sleep an extra hour, it also ...
The brain has a master clock that is set by exposure to sunlight and darkness. This circadian rhythm is a roughly 24-hour cycle that determines when we become sleepy and when we’re more alert.