Related topics: circadian rhythms

Why we need to keep adding leap seconds

Today at precisely 10am Australian Eastern Standard time, something chronologically peculiar will take place: there'll be an extra second between 09:59:59 and 10:00:00.

Telling the time of day by color

Research by scientists at The University of Manchester has revealed that the colour of light has a major impact on how the brain clock measures time of day and on how the animals' physiology and behavior adjust accordingly. ...

Why moving from astronomic to atomic time is a tricky business

Most people would feel they can count on one day comprising the same number of hours, minutes and seconds as the next. But this isn't always the case – June 30 will be a second longer in 2015 with the addition of a leap ...

Braving the cold to understand what makes squirrels tick

For most of us, our day begins with an alarm of some sort. We work, eat, and play, all on some sort of a schedule. While our world is dictated by mechanical clocks, the schedule of the non-human animal kingdom is largely ...

Study discovers a way to control internal clocks

Researchers hypothesize that targeting components of the mammalian clock with small molecules like REV-ERB drugs may lead to new treatments for sleep disorders and anxiety disorders. It also is possible that REV-ERB drugs ...

Timely arrival of Pharao space clock

ESA has welcomed the arrival of Pharao, an important part of ESA's atomic clock experiment that will be attached to the International Space Station in 2016.

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