Bub-Break, Michigan Tech Campus (IMAGE) Michigan Technological University Caption Using poplar and flowering locus trees in the Michigan Tech greenhouses, researchers learned how particular genes activate through the seasons or in response to particular environmental factors. Credit Sarah Atkinson/Michigan Tech 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.