Evolutionary Timescale of Scavenging (IMAGE) Trinity College Dublin Caption An evolutionary timescale of scavenging in the air, on the land, and in the sea. Credit Adam Kane et al. 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.