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ear wax

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Ear wax holds untold treasures for whale researchers

Ingested contaminants, along with hormones, are preserved in the whale’s earplug. Unlike muscle and blubber, ear wax does not allow rapid biodegradation of compounds. This wax builds up in laminar layers throughout the whale’s lifetime, producing a timeline of the whale’s existence, much like tree rings. Zoe RugeI have a M.S. from the University of […]

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