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.
Mar 20, 2013
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New research led by a team at Queen Mary, University of London, has found evidence of how daily changes in temperature affect the fruit fly's internal clock.
Jan 17, 2013
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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 ...
Oct 02, 2012
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Since the beginning of August, NASA's Mars rover, Curiosity, has been roaming all over the distant planet learning as much as it can about the Martian terrain. The mission control team back on Earth has also learned what ...
Sep 28, 2012
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New research reveals that fruit flies and mammals may share a surprising evolutionary link in how they control body temperature through circadian rhythm, unlocking new ways to study the insects as models of ...
Sep 13, 2012
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Numerous processes in our body fluctuate in a regular pattern during the day. These circadian (or daily) variations can be driven by local oscillators present within our cells or by systemic signals controlled by the master ...
Aug 23, 2012
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Scientists have made fresh discoveries about the processes that govern plants' internal body clocks and help them adjust to changing seasons, triggering the arrival of flowers in spring.
Mar 08, 2012
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A spacecraft carrying two Russians and an American docked Wednesday with the International Space Station in the first Russian manned mission for five months after a spate of technical failures.
Nov 16, 2011
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(PhysOrg.com) -- Research has shown that light is the key to getting our 'body clocks' back in sync and now a new study exploring the resynchronisation mechanism in insects has discovered a molecule essential ...
Jul 13, 2011
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Dieticians will tell you it isn't healthy to eat late at night: it's a recipe for weight gain. In fruit flies, at least, there's another consequence: reduced fertility.
Jun 07, 2011
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Heart attacks that occur in the morning are likely to be more serious than attacks at other times of the day, a specialist journal reported on Wednesday.
Apr 26, 2011
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Daylight Saving Time begins Sunday, March 13, but a word of caution. Studies have found that losing an hour can be hazardous for your health.
Mar 14, 2011
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Fainting, or syncope, is quite common. About 50% of people will experience fainting at some point during their lifetime. The most common type of fainting is vasovagal syncope (VVS) that is caused by a sudden drop in blood ...
Mar 07, 2011
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Humans use their senses to help keep track of short intervals of time according to new research, which suggests that our perception of time is not maintained by an internal body clock alone.
Jan 20, 2011
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(PhysOrg.com) -- Jet lag, as every long-distance airline passenger knows, disrupts the body's normal circadian rhythms, or body clocks, and causes some very unpleasant effects such as disturbed sleep and fatigue. ...
Dec 16, 2010
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