In this NOVA Minute, biologist Bonnie Bassler explains how bacteria "talk" to one another.

Produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Learn more at pbs.org/nova/sciencenow