Jacaranda Copaia (IMAGE) Smithsonian Tropical Research Institute Caption Tree measurement data from forests around the world shows that many trees do not slow in their growth rate as they get older and larger; instead, their growth keeps accelerating. Credit Photo courtesy of the Smithsonian Tropical Research Institute Archives Usage Restrictions Must credit the Smithsonian Tropical Research Institute 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.