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Vogt, Gregory L.; Shearer, Deborah A. – National Aeronautics and Space Administration (NASA), 2011
Among the thousands of questions that need to be answered before astronauts travel to distant planets and asteroids are questions related to the astronauts themselves. How much food will they need and what foods can they take? We are fortunate on Earth to have an amazing variety of foods to eat. When astronauts do go to Mars and other…
Descriptors: Space Sciences, Space Exploration, Nutrition, Food
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Peterson, Shelley; Calovini, Theresa – Linguistics and Education: An International Research Journal, 2004
This study uses systemic functional linguistics and the related critical discourse analysis to examine intertextual links between four eighth-grade students' talk in informal conversations as they generated ideas for the characters of their narrative writing. Data sources included classroom observations, students' drafts and polished writing,…
Descriptors: Ideology, Discourse Analysis, Descriptive Writing, Interviews