B.C., to DST: A constant clock

Things will be sunnier in British Columbia going forward. That's because the Canadian province decided that after it sets its clocks ahead for daylight saving time (DST) on March 8, it's not going back to standard time in the fall.

- Jeffrey Kluger

Polling shows the move is popular, but it comes with risks. On daylight time, clock time is less aligned with the sun than it is on standard time and that can mess with our bodies' circadian rhythms, which in turn can lead to all manner of health woes.