(IMAGE) Institute of Science and Technology Austria Caption Contrast counts. Bees are more attracted to yellow and magenta variants than hybrid plants. Credit © Daria Shipilina / ISTA Usage Restrictions Free to use when reporting about paper at hand. 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.