You are browsing the archive for Isotopes Archives - AGU Blogosphere.

14 December 2017

Earwax like ice cores: Unlocking the past hidden in whale earplugs

Data collectors are cruising around oceans worldwide, following blooms of productivity and accumulating decades of information—all from earwax. New research shows whale earplugs provide records of the animals’ movements and diets over the course of their long lives.