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 Shahab Derakshshan 


Biology Department Seminar


Dr. Darren Sandquist

Professor of Biological Science



Wed, May 7, 2014

4:00pm – 5:15pm


MH 513


Plants as a time machine (that is very hard to tune up)


Did you know that cuticular waxes from leaf surfaces get preserved in sediments, much like fossils? It's true. And because they do, the chemical composition of these waxes can be used as a record of environmental conditions in the past, assuming we reconstruct things correctly. Therein lies the problem - proper calibration. While on sabbatical last fall I worked with colleagues at the University of Wyoming on "calibrating" the plant time-machine based on changing atmospheric CO2. I'll tell you about the progress, wile also expounding the virtues of sabbatical. In fact, the alternative title for this talk is: Sabbatical = the return of energy, sanity and knowledge.


You are invited join Dr. Sandquist for an informal pre-seminar discussion and refreshments in MH-282A at 3:30 p.m.


SCERP Tubbs 4-30-14

Preest 4-23-14

Edwin Monuki

Haas-Stapleton 4-16-14

Mohannad Yousef

MARC Lee 4-9-14

Don Ware April 9th