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Sunday, April 22, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Asymmetrical picture of the sun during magnetic field reversals

Posted: 21 Apr 2012 05:39 PM PDT

Approximately every 11 years the magnetic field on the sun reverses completely -- the north magnetic pole switches to south, and vice versa. Now scientists highlight just how asymmetrical this process actually is.

Key genes that switch off with aging highlighted as potential targets for anti-aging therapies

Posted: 19 Apr 2012 04:17 PM PDT

Researchers have identified a group of "aging" genes that are switched on and off by natural mechanisms called epigenetic factors, influencing the rate of healthy aging and potential longevity.

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