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12.158 Molecular Biogeochemistry (MIT)
This course covers all aspects of molecular biosignatures, such as their pathways of lipid biosynthesis, the distribution patterns of lipid biosynthetic pathways with regard to phylogeny and physiology, isotopic contents, occurrence in modern organisms and environments, diagenetic pathways, analytical techniques and the occurrence of molecular fossils through the geological record. Students analyze in depth the recent literature on chemical fossils. Lectures provide background on the subject mat
Author(s): Summons, Roger,Schubotz, Florence,Sepulveda, Julio

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Gripping Sticks for Steel Drums.com
 This video shows how to grip the sticks for playing steel drums. The method is demonstrated slowly and the lesson can be carried over for playing any drum.(1:37)
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Platon - Cosmologia parte 11 de 16
Entre sus obras más importantes se cuentan: la República, en la cual elabora la filosofía política de un estado ideal; el Fedro, en el que desarrolla una compleja e influyente teoría psicológica; el Timeo, un influyente ensayo de cosmogonía, cosmología racional, física y escatología, influido por las matemáticas pitagóricas; y el Teeteto,
el primer estudio conocido sobre filosofía de la ciencia. (14:

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National Geographic Kids - Curso Basico Sobre Relampagos (en español)
Aprende algo sobre las fuerzas de naturaleza cuales causan relampago. (2:46)
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SFU Open house 2012
On Saturday, May 26, SFU welcomed almost 20,000 guests to its open house event atop Burnaby Mountain. This video provides a quick overview of the fun and engaging activities. http://www.sfu.ca/openhouse
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Video Flash Cards: Subtraction by 8
Sample video using video flash cards to help students learn their Subtraction Tables. There is no sound; just flashcards. If opened to 'full  screen', the flashcards are large enough to be seen in a classroom on a laptop screen. (02:36)
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Trapped's Wall of Sorrow: Story Planning: Interative Game
Try these story writing games and complete Trapped's Wall of Sorrow.  Students will strenghten their knowledge of the parts of a story by playing these games, which will help them in planning their own stories. ( This link is for an interactive video/game and may take a few minutes to load.)
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MSU 517*Theory Graffiti Project
MSU students explore the positive impact of Lansing graffiti. To read more, go to http://news.msu.edu/story/msu-students-explore-the-positive-impact-of-lansing-graffiti/
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Gallium (beating heart) - Periodic Table of Videos
7:12 Our updated video about Gallium includes an experiment called "the beating heart" and news of a breakthrough in a our very own labs!
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The Bottom Line - Looking Back: Environmental Impacts of Genetically Engineered Crops
A world-renowned expert on the ecological impacts and management of genetically engineered crops, University of Arizona professor Yves Carrière presented the findings of a recent National Academy of Sciences report on the sustainability impacts of genetically engineered crops in the United States. He also discussed the scientific record from the global use of herbicide- and insect-resistant crops, which were designed to reduce the use of pesticides, improve yields and provide economic benefits
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USAWC Class of 2012 Seminar 11
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時計台サロン「農都共生のススメ」の映像を公開しました。Podcastでもご利
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Science Nation - Mount St. Helens
By: nsf Life erupts once again from the once lifeless mountain. When Mount St. Helens blew its top in 1980, it wasn't a surprise that it happened, but even today the extent of the damage is hard to fathom. The eruption knocked down 100-foot trees like matchsticks and killed just about everything in its path. There have been several smaller eruptions since then, but nothing like what happened in 1980. For this and more Science Nation, go to http://www.nsf.gov/news/special_reports/science_nation/i
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Airlines Builder (Interactive)
In this "Cyberchase" interactive game, players find out if two things with the same perimeter have different areas by creating a fleet of Cyber-spaceships using pieces of uniform length.
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Sarah, Classics -- 60 Second Impressions
The '60 Second Impressions' are a series of one-minute films featuring current Cambridge undergraduate students. These students talk about what it's really like to study at Cambridge, live in a College, and take part in a wide range of extra-curricular activities. Sarah is from Middlesbrough, and is studying Classics. In her 60 Second Impression, she talks about visiting the Fitzwilliam Museum, and how she chose her College, as well as giving some advice for prospective Classics students. To
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Latoya Ruby Frazier: Larry Sultan Visiting Artist Program
This lecture was recorded on April 10, 2012, at the San Francisco campus of California College of the Arts. Latoya Ruby Frazier was presented as part of the Larry Sultan Visiting Artist Program. LaToya Ruby Frazier's work in photography and video has employed such themes as the body and landscape, familial and communal history, private and public space, and human complexity. Frazier's nine-year artistic collaboration with her family has been featured by the New York Times, the New Yorker, ArtF
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Can You Catch the Water?
Students construct a three-dimensional model of a water catchment basin using everyday objects to create hills, mountains, valleys and water sources. They experiment to see where rain travels and collects, and survey water pathways to see how they can be altered by natural and human-made activities. Students discuss how engineers design structures that impact water collection, and systems that clean and distribute water.
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Ug99 Wheat Rust Threatens World Wheat Crop
Learn more: http://pulitzercenter.org/projects/africa/stalking-wheat-killer. Wheat rust has infected the wheat crop starting in Uganda and spreading from there. This fungal rust is killing the crop, costing farmers money to supply fungicides in an attempt to save their crop and still turn a profit. The first rust, discovered in 1999, has since spread into the farmlands in Kenya's rift valley all the way to Yemen and Iran. The fear is that under the right climate conditions, stem rust will cont
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Juliette Gordon Low and the Girl Scouts
Born Juliette Gordon in Civil War Savannah, Georgia, the founder of the world's largest voluntary organization of young women at last discovered an outlet for her restless energy. This is a great resource to use in conjunction with non-fiction texts and/or lessons on this topic. (3:48)
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