Tiny nano-sized robots and vehicles that can navigate through blood vessels to reach the site of a disease could be used to deliver drugs to tumours that are otherwise difficult to treat. 

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This article was originally published in Horizon, the EU Research and Innovation magazine.

https://projects.research-and-innovation.ec.europa.eu/en/horizon-magazine/nanorobots-could-target-cancers-and-clear-blood-clots