Sugary handshakes are how cells talk to each other − understanding these name tags can clarify how the immune system works
- Written by Kelvin Anggara, Group leader in Single molecule imaging, Max Planck Institute for Solid State Research

Like the people they make up, cells communicate by bumping into one another and exchanging handshakes. Unlike people, cells perform these handshakes using the diverse range of sugar molecules coating their surface like trees covering a landscape. Handshakes...