Implant (1 of 2) (IMAGE) ETH Zurich Caption Thoughts control a near-infrared LED, which starts the production of a molecule in a reaction chamber. Credit Martin Fussenegger et al., ETH Zurich Usage Restrictions The rights to the images always remain with the person referred to as the copyright holder for them. An image published in the ETH News can be used by other media or online portals only if ETH Zurich is mentioned explicitly as the owner of the rights to the image and only in connection with the corresponding ETH News contribution. Further dissemination of the images, e.g. via download links, is permitted only subject to the approval of the editorial team. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.