US body clock geneticists take 2017 Nobel Medicine Prize

US geneticists Jeffrey C. Hall, Michael Rosbash and Michael W. Young were awarded the Nobel Medicine Prize Monday for shedding light on the biological clock that governs the sleep-wake cycles of most living things.

The early bird catches the sperm

Getting up later in the morning might gain you more sleep, but it could mean you end up fathering fewer offspring—at least if you are a songbird called the great tit. Ecologists from the United States and Germany have discovered ...

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 ...

Arctic ground squirrel sheds light on circadian rhythms

The Arctic ground squirrel has developed highly specialized adaptations to extreme environments, and it has a lot to teach us about circadian rhythms and biological clocks. This species maintains circadian rhythms throughout ...

An astronaut's rhythm

Anyone who has flown long distances will be familiar with the jetlag that comes with travelling across time zones. Our body clocks need time to adjust to different daylight times as high-fliers and frequent travellers know ...

Baby fish 'steer by the sun'

(Phys.org) —Baby coral reef fishes find their way home using the sun and a body clock to steer by.

Hong Kong light pollution 'one of world's worst'

Hong Kong is one of the world's worst cities for light pollution with night skies around 1,000 times brighter than globally accepted levels, researchers said Wednesday ahead of this year's Earth Hour event.

Keeping time: Circadian clocks

Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial cells came into ...

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