IMAGE (IMAGE) Kyoto University Caption Using the apparatus, which effectively exposes iPSCs to terahertz radiation, the researchers found that terahertz light pulses change the activity of genes influenced by zinc-dependent transcription factors. Credit Mindy Takamiya/Kyoto University iCeMS Usage Restrictions CC BY-NC-SA 4.0 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.