Data Logger in Sea Turtle Nest (IMAGE) University of Massachusetts Amherst Caption As a female green turtle lays a clutch of eggs, scientists add a tiny data logger to monitor the nest temperature throughout incubation. These data allow scientists to predict how many male and female hatchlings are produced based on the temperatures recorded during the second trimester of incubation. Credit NOAA Fisheries USFWS Permit #: TE-72088A-2 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.