Robotic Lizards Help Prove Long-standing Signaling Theory

UC Davis researchers using robotic lizards in a Puerto Rico forest have shown that in noisy visual environments, animals can use body language to alert neighbors to forthcoming information-rich messages. 

My wife, Seraphina, uses the technique also.  She turns her back to me, and folds her arms...

http://www.sciencedaily.com/releases/2008/11/081124174849.htm