Questions of Life (IMAGE) National Science Foundation Caption From top left to bottom right: 1) collecting evidence of human settlements in the Amazon; 2) a degraded cloud forest; 3) a two-day old cellular colony including baby cells; 4) a skull with baleen from a pygmy right whale. Credit From top left to bottom right: 1) Alejandra Restrepo-Correa, Florida Institute of Technology; 2) Heidi Asbjornsen, Iowa State University; 3) Aurora Nedelcu, University of New Brunswick; and 4) Courtesy Tom Deméré, San Diego Natural History Museum. 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.