How can squid help people overcome needle phobia?

nDespite that They are necessary for the delivery of a very large number of vital drugs, and are not universally popular among patients. This aversion has serious consequences: An aversion to needles prompts one in six American adults to skip vaccinations, and is a significant reason why people who rely on injectable drugs like insulin fail to stick to their doses. Now new work led by Giovanni Traverso at MIT reveals a way to deliver medicine to patients without needing to prick them at all, by copying the jet propulsion techniques used by squid and their relatives.