Testing for Signaling Molecules (image) eLife Share Print E-Mail Caption Scientists find that people use the touch of a handshake to sample and sniff signaling molecules. A sterile glove was used to identify signaling molecules transmitted via a handshake. Credit Frumin et al. Usage Restrictions CCBY 4.0 Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.