Sascha Usenko

Sep. 20, 2013

A Chronicle of a Whale’s Life, Captured in Earwax

Researchers say earwax can provide data about pesticide exposures, hormone levels, and even stress levels of the endangered blue whale.

Sascha Usenko, Stephen Trumble, blue whale ear wax, tree rings

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Michael Pollan Talks Plants and Food

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Teacher Feature: Ethnobotanist Tom Carlson

\tScience Friday salutes a great science teacher. "Office hours are some of my favorite hours of the week," says Tom Carlson, a medical doctor, ethnobotanist, and instructor of 1700 students annually at the University of California, Berkeley. One of Carlson's former students, SciFri associate senior producer Christopher Intagliata, told us that Carlson's class was the reason he got into science (listen here).

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