Feature Earth Stemming the Tide Killer technologies target invading stowaways Share this:FacebookTwitterPocketRedditPrintEmail By Ben Harder April 9, 2002 at 10:52 am This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe