Last Updated: Saturday, March 23, 2013, 12:53
Roosters crow at the break of dawn, not in response to the morning light, but because they are genetically programmed to do so, a new study has found.
Last Updated: Tuesday, March 19, 2013, 13:29
Last Updated: Sunday, October 21, 2012, 14:14
Global warming is disrupting the biological clocks of many animal species and changes in them are unnatural and unlike than their usual activities of reproduction and habitation.
Last Updated: Thursday, October 01, 2009, 20:40
For the first time, scientists have pinpointed a chemical ‘switch’ that can reverse the "biological clock" by making human muscles younger and
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