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Project Reports

• Microbial Mat Communities

  Our primary research objective is to better understand the origins and adaptive radiation of an ancient and biogeochemically significant assemblage of microorganisms, the sulfate-reducing prokaryotes (SRP).

  ROADMAP OBJECTIVES: 4.1 4.2 5.1 5.2 5.3 6.1

• Causes of Mass Extinctions: Testing Impact Models_Ward

  ROADMAP OBJECTIVES: 4.2

• Plate Tectonics on the Terrestrial Planets

  ROADMAP OBJECTIVES: 1.1 2.1

• Impacts and Extinction

  The project being reported on here deals with various aspects of asteroid or comet impact on the Earth, and the Astrobiological consequences (including extinction).

  ROADMAP OBJECTIVES: 4.2 4.3

• Dynamics of Comets, Asteroids, and Planets

  ROADMAP OBJECTIVES: 1.1 2.2

• Bacterial Tubulin and the Evolution of the Eukaryotic Cell; Sea Ice Bacteria

  ROADMAP OBJECTIVES: 3.2 3.4 4.2 5.3 6.1

• Delivery of Organic Materials to Planets

  ROADMAP OBJECTIVES: 1.1 1.2 7.2

• Mass Extinction Events, the Longest Snowball Earth Event, the Evolution of Oxygenic Photosynthesis, and TPW Induced Perturbations of the Carbon Cycle.

  ROADMAP OBJECTIVES: 3.1 3.3 4.1 4.3 6.1

• Darwinian Chemistry

  ROADMAP OBJECTIVES: 2.1 2.2 3.1 3.2 3.3 3.4 4.1 4.2 4.3 5.2 5.3 6.1 6.2 7.1

• Evolution of Biocomplexity From an Ancient Autotrophic Lineage

  ROADMAP OBJECTIVES: 3.2 3.3 4.2 5.1 5.2 5.3

• Causes of Mass Extinctions: Testing Impact Models_Kring

  ROADMAP OBJECTIVES: 1.1 4.1 4.3

• First-Stage Biofilm Formation Under Extreme Conditions in Ice

  ROADMAP OBJECTIVES: 5.1 5.3 6.1 6.2 7.2

• Ocean Surfaces on Snowball Earth

  ROADMAP OBJECTIVES: 4.2

• Brownlee and Matrajt

  ROADMAP OBJECTIVES: 3.1

• Causes of Mass Extinctions: Testing Impact Models

  ROADMAP OBJECTIVES: 4.3 6.1