TECHNISCHE UNIVERSITÄT DRESDEN IMAGE: FLUORESCENT SOFT BEADS PASSING THROUGH THE NARROWING CHANNELS OF A BIOCHIP. CREDIT: © MPZPM, SALVATORE GIRARDO Modern vaccines such as those against Sars-CoV-2 use tiny lipid spheres to transport genetic information into cells and let the body build up an immune defense against the virus. A team of scientists from Erlangen,...