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Fruit Flies Evolve New Defense Through Gene Transfer

In the continual arms race between parasites and their hosts, innovation was thought to be the key to a successful attack or defense that one-ups the competition. But sometimes, as in the corporate ...

Hamilton O. Smith, Who Made a Biotech Breakthrough, Is Dead at 94

A Nobel laureate, he identified an enzyme that cuts DNA, laying the groundwork for milestones in scientific research and ...