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Running Time:
00:03:36
To understand how Earth’s climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 7, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Life Science/Biology