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View Resource Phytoplankton Productivity

This laboratory activity, from the University of Toronto, provides a short introduction to measuring changes in dissolved oxygen and measuring primary productivity using 14C. The 14C-radiotracer method is used to measure the assimilation of dissolved inorganic carbon (DIC) by phytoplankton as an estimate of the rate of photosynthetic production of organic matter in the euphotic zone.

View Resource Microbes on Earth May Be Key To Identifying Life On Other Planets

This site features a short article where Bruce Fouke of University of Illinois studies microbe metabolism in Mammoth Hot Springs of Yellowstone National Park for connections to extraterrestrial life. This website also provides links to additional related news stories on microbes. As a part of the "Science Daily" portal page, the site contains a search box for additional articles, links to...

View Resource NASA Research Focuses on Yellowstone's Hot Springs and Compares Findings to Rocks from Mars

This National Aeronautics and Space Adminstration (NASA) Astrobiology Institute website features an article by the Yellowstone Park Foundation focusing on NASA's latest thermophile research and its contributions to outreach education in Yellowstone National Park. The site also provides a number of useful links through the NAI portal site including a teacher's page, student's page, and additional...

View Resource Conan the Bacterium

This on-line news article reveals the defense strategy of radiation-resistant Deinococcus radiodurans to be a tightly packed ring of DNA. The article explores the hypothesis of some that indicates the microbe originated on Mars and describes the actions of others that used experiments to show resistance is not attributed to repair enzymes, as was once believed. The article details the...

View Resource Glacial Lake Hides Bacteria

This article highlights the published work of a geomicrobiology research team led by Eric Gaidos from the University of Hawaii and Brian Lanoil, from the University of California, Riverside. This group reports the identification of bacteria from an Icelandic sub-glacial lake, and how the collection and description of these microorganisms immured within glacial ice and sub-surface water serve as a...

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