April 3, 2002
by David Cohen
A needle which mimics the mosquito's unique "stinger", making injections painless, has been developed by a team of Japanese microengineers.
Contrary to popular belief, a mosquito can stab you with its proboscis without you feeling a thing. It then injects anticoagulant saliva to stop your blood clotting while it feeds, and it is this that carries the bacteria that cause irritation and pain.