Daylight saving time starts on the second Sunday of March, pushing clocks ahead one hour. On the first Sunday in November, we ...

New tests to gauge an individual's circadian rhythms could be put to good use helping night workers fend off the ill effects ...

Your circadian rhythm influences mood, metabolism and even how well you respond to medical treatment. Now we finally have the ...

Secular perpetual celendars are rare beasts ✓ Kubernet introduces its own in a desk-clock format in two very attractive ...