File 1 (IMAGE) Waseda University Caption Inactivating KaiA does not stop but damps circadian oscillations of the cyanobacterial' circadian clock (A). The amplitude of the damped oscillation is elevated by resonance with external cycles (B). Credit Iwasaki Laboratory, Waseda University Usage Restrictions Image may only be used with appropriate caption and credit to Waseda University. 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.