Needles, THOugh important for delivering an important many important drugs, will not be universally standard amongst sufferers. This distaste has critical penalties: an aversion to needles leads one in six American adults to skip vaccinations, and is a crucial purpose why individuals who depend on injectable medicine corresponding to insulin fail to maintain up with their dosage. Now new work led by Giovanni Traverso on the Massachusetts Institute of Know-how is revealing a strategy to get treatment into sufferers with out having to jab them in any respect, by copying the jet-propulsion methods utilized by squid and their kin.