From Swissinfo.ch
The tiny robot has not yet been tested on humans. However, it worked in tests on pigs and a sheep, the researchers reported on Thursday in the journal Science.
Medical research has been trying for some time to develop methods to deliver drugs exactly where they are needed, ETH Zurich said in a press release. Today, many diseases, such as strokes or tumours, require high doses of drugs to be administered and distributed throughout the body, and this increases the risk of side effects.