Rocketing Towards Safer Drug Delivery; Scientists from the University of Sheffield have taken the biggest step yet in producing microscopic silk swimming devices that are biodegradable and harmless to a biological system.

See the source article by following the link below:
Rocketing Towards Safer Drug Delivery; Scientists from the University of Sheffield have taken the biggest step yet in producing microscopic silk swimming devices that are biodegradable and harmless to a biological system.