Researchers (IMAGE) Proceedings of the National Academy of Sciences Caption These are researchers from India and Sweden measuring cues from Rhododendron campanulatum in the Himalayas. Credit Shannon Olsson Usage Restrictions None 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.