Uncovering how plants see blue light (IMAGE) University of California - Davis Caption Cryptochromes are light detecting molecules found in all kinds of living organisms. Understanding the structure of cryptochrome-2, which allows plants to react to blue light wavelengths, can bring new insights into how they work. Credit Nitzan Shabek Usage Restrictions May be used with acknowledgement. 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.