When studying the spread of cancer or the behavior of a virus like the one that causes COVID-19, the irony is that working with these harmful pathogens requires gentleness. Especially in the case of COVID, the particles do not survive well when making contact with surfaces. To observe a live virus and move it around, methods that make no physical contact will keep these destructive but tiny subjects alive longer, allowing more time to study them.
First-of-its kind tool allows scientists to manipulate cells without touching them
