Bonnie Bassler: The secret, social lives of bacteria
Bonnie Bassler discovered that bacteria "talk" to each other, using a chemical language that lets them coordinate defense and mount attacks. The find has stunning implications for medicine, industry -- and our understanding of ourselves. http://www.ted.com/
See this INTERVIEW with Bonnie Bassler, "the Bacteria Whisperer" on the TED Blog: http://blog.ted.com/2009/04/the_secret_soci.php