New clues from ancient DNA reveal the remarkable effect of agriculture on adaptation in Stone Age humans who lived across Europe.
Though linkurl:bacteria;http://www.the-scientist.com/article/display/14283/ usually reproduce asexually, they do occasionally yield to baser desires and have sex; or at least they linkurl:exchange DNA;http://www.the-scientist.com/article/display/14361/ through a sex-like process known as conjugation, or linkurl:horizontal transfer.;http://www.the-scientist.com/article/display/22780/ For the first time, scientists have filmed Escherichia coli in the act. The videos — linkurl:published;http:
March 13, 2008|