For a century and a half, the sharp end of a needle has been the price of admission for modern medicine. Generations of children and parents have been conditioned to […] ...

Vaccinating children is always a challenging task, especially when it involves needles, as they can make the process more unpleasant. But when a toddler somewhere in eastern India slept throughout her ...

Scientists found inspiration in octopus suckers, which can hold onto surfaces underwater, to design a new drug-delivery method that sticks to the inner cheek. CM Dixon / Heritage Images / Getty Images ...