Tiny microbots fold like origami to travel through the human body — from digitaltrends.com by Georgina Torbet

Excerpt:

Tiny robots modeled after bacteria could be used to deliver drugs to hard to reach areas of the human body. Scientists at École polytechnique fédérale de Lausanne (EPFL) and the Swiss Federal Institute of Technology in Zurich (ETH Zurich) have developed what they call elastic microbots that can change shape depending on their environment.