Whale earwax used to determine contaminant exposure in whales

A novel technique has been developed for reconstructing contaminant and hormone profiles using whale earplugs to determine, for the first time, lifetime chemical exposures and hormone profiles, from birth to death, for an individual whale. This information has not been previously attainable.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/k...