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2016 Annual Science Report

University of Wisconsin Reporting  |  JAN 2016 – DEC 2016

Executive Summary

Our research activities in Year 4 of NAI CAN-6 involved 20 projects that fell under six themes, reflecting an increase in the number and diversity of research relative to the previous year: 1) Biomolecules of Life and Life Detection, 2) Microbial and Biogeochemical Processes in Mars-Analog Settings, 3) Mineralogical, Biogeochemical, and Sedimentological Processes on Early Earth and Mars, 4) Experimental Studies of Paleoenvironmental and Biological Proxies, and 5) Proterozoic and Archean Environments and Biosphere.

Theme 1: Biomolecules of Life and Life Detection Two projects were pursued under this theme. In Project 1A: Ground control experiments for in situ solar system astrobiology investigations, Co-Is Richard Quinn and Pascale Ehrenfreund studied radiation-induced alteration of potential biomarkers in the context of mineralogical-matrix interactions. Laboratory experiments were performed to further understand the impact of radiation on habitability and biosignature preservation. These results were used to interpret data sets ... Continue reading.

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