Last Updated: Tuesday, March 04, 2014, 19:41
A large ancient virus that lied dormant in the Siberian permafrost for at least 30,000 years has sprung back to life after French scientists revived it in the laboratory.
Last Updated: Thursday, January 02, 2014, 16:36
Scientists have discovered how plants use steroid hormones to choose growth over defending themselves against pathogens.
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