A timekeeper for siesta

Circadian clocks must be flexible and they must be able to adapt to varying environmental conditions. Otherwise, it would be impossible for living beings to change their patterns of activity when the days get shorter again ...

New insights into the inner clock of the fruit fly

Several months ago, professors Jeffrey Hall, Michael Rosbash and Michael Young received the Nobel Prize for their work on deciphering the mechanisms of the biological clock. Many other scientists around the world are also ...

Molecular features of the circadian clock system in fruit flies

Studies of mutant fruit flies reveal how both photoreceptors and the visual system influence circadian clock neurons in response to changing light-dark cycles. The results are reported in the Journal of Neuroscience give ...

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. ...

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