Island Arc Magamatism
This 50 slide PowerPoint presentation introduces the basic structural facets of an island arc system. Magma series (tholeiitic, alkaline, calc-alkaline) and differentiation within magma series are related to the major elements. Other trends in magma series (spatial, temporal, trace element, isotope) are presented. Petrogenesis of magmas is illustrated in terms of mantle flow, rate of subduction and age of the subducting slab and subduction zone. Pressure-temperature-time paths are used as instru
Continental Alkaline Magmatism
This 32 slide PowerPoint presentation presents a list of alkaline rocks followed by an in depth look at continental alkaline magmatism of the East African Rift system. A chemical, geographic, and structural look at carbonatites follows. The presentation progresses through discussions of lamproites, lamprophyres, and kimberlites. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html
Introducing Epic of the Persian Kings
Exploring exquisite Persian manuscript art inspired by the world's longest poem: the Shahnameh, or 'Book of Kings'.
1000 years ago in Persia the world's longest poem was written: the Shahnameh, or 'Book of Kings'. This epic inspired some of the most exquisite manuscript art ever produced - miniature masterpieces that on show at the Fitzwilliam Museum in the exhibition Epic of the Persian Kings: The Art of Ferdowsi's Shahnameh (11 September 2010 -- 9 January 2011).
In this podcast, Charles Melv
Ask a Mac Expert: What's next for Egypt?
Robert O'Brien, professor and chair of McMaster's Department of Political Science, offers his take on what will happen after the revolution in Egypt.
OSU Science Pub: Life on other planets
Speakers: Martin Fisk and Rick Colwell, OSU College of Oceanic and Atmospheric Sciences
A mere 20 light-years from Earth — just down the block by galactic standards — a planet orbits a red dwarf star in what one scientist has called a "mini-version of our own solar system." The star is known as Gliese 581, and this planet, one of six in orbit, appears to be the right size and distance from its sun to be hospitable for life.
Many s...cientists believe that life elsewhere in the Milky Way Gal
GCC-NLM Professional Development Collection
Sujata Krishna
A Professional Development Framework is presented, based on 5 core competencies of Leadership skills, Strategy, Decision Making, Innovation and Execution. This curriculum is being fleshed out […]
Collaboration via Slime Mold
This hands-on activity gives students the opportunity to use skills and concepts developed in a unit on cells with an unknown organism. They are asked to design and complete a controlled experiment which attempts to answer a simple question about the slime mold Physarum. The activity includes background information, preparation time, abstract, materials, procedure, evaluation, and additional thoughts. The activity is part of The Access Excellence Fellows Collection, an archive of the favorite cl
HOU Middle School Curriculum: Solar System Science
The HOU Middle School Curriculum, Solar System Science (previously Hands-On Solar System or HOSS), lets your students use images from professional telescopes along with image processing software developed for use in the classroom, to learn key concepts in astronomy, mathematics, and technology. Solar System Science blends content learning with critical thinking skills and processes such as data interpretation, measurement techniques, and using appropriate tools for exploration.
Readings in the History of Aesthetics
Anyone with connection to the Internet has access to a vast number of philosophical documents via online etexts. Fortunately, quite a bit of the best work in philosophy is in the public domain, and a few of these readings provide a convenient access for almost anyone seeking information and help in the history of aesthetics. However, many of the historically significant writings in aesthetics are not presently available on the Internet, and this open source text helps somewhat to remedy that nee
Matt Bencke discusses news and Demos from Mobile World Congress Matt, who is the new head of developer and marketplace for Windows Phone 7, takes us through his favorite new apps from Mobile World Congress.
Peer-to-Peer Copying
Most Internet content today is "served" from a central system that takes requests from a user's "client." Typically, the user asks for access to information or other data; the requested content is then "pushed" from the central system to the user. In this model, the various visitors to a given web site do not interact. By contrast, peer-to-peer technology (commonly known as "P2P") creates conversations among individual personal computers (PCs). In this respect, P2P systems resemble an affili
Freedom of Expression on the Internet
The Internet offers extraordinary opportunities for "speakers," broadly defined. Political candidates, cultural critics, corporate gadflies -- anyone who wants to express an opinion about anything -- can make their thoughts available to a world-wide audience far more easily than has ever been possible before. A large and growing group of Internet participants have seized that opportunity. Some observers find the resultant outpouring of speech exhilarating. They see in it nothing less than the re
Access to the Internet
Using the Internet depends, in the first instance, on access to the network. The initial emergence of "the Internet" in the early 1990s, from the increasing connectivity of a series of university and government networks alongside private services like America Online, Prodigy, and CompuServe, occurred almost entirely across slow dial-up modem connections over telephone wires. Sufficient for email, Usenet news groups, transferring relatively small files, and later viewing simple web pages, slow tr
California Fires MODIS imagery and TOMS Aerosols from October 2003
This animation sequences through the MODIS imagery of the devastating Californian fires from October 23, 2003 through October 29, 2003. Then the animation resets to October 23, 2003 and zooms out to see the TOMS aerosol sequence. It clearly shows that the California fires had an impact on air quality as far east as Maine.
GLOBE 1987 Global Patterns Poster
The purpose of the ESS activities associated with the GLOBE 1987 Global Patterns Poster is to help students understand the broader global context for local GLOBE measurements. Students discover patterns in global maps of environmental data, interpret those patterns, and draw conclusions and make predictions based on them; communicate those interpretations and predictions; and develop an understanding that the components of the Earth system interact. By completing this activity, students will gai
Elementary GLOBE
Elementary GLOBE is designed to introduce students of grades K-4 to the study of Earth System Science (ESS). Elementary GLOBE forms an instructional unit comprised of five modules that address ESS and interrelated subjects including weather, hydrology, phenology, and soils. Each Elementary GLOBE module contains a science-based storybook and classroom learning activities. Five (5) books are included in the series: All About Earth; Do You Know That Clouds Have Names?; The Scoop On Soils; Discoveri
Elementary GLOBE: Earth System Play
The class will brainstorm, write, create, and produce a play in which they represent how all the Earth systems are interconnected. This play can be based on the Elementary GLOBE book "All About Earth: Our World on Stage" or on other student-generated topics representing interconnections of the Earth systems. The purpose of the play is to serve as a performance assessment providing students with the opportunity to display what they have learned about the Earth as a system in a creative manner. Th
Elementary GLOBE: We're All Connected
A learning activity for the "All About Earth: Our World on Stage" book in the Elementary GLOBE series. One of the "big ideas" in Earth system science is the notion of interaction among parts of the Earth system. In the Elementary GLOBE book All About Earth: Our World on Stage, the children in Ms. Patel's class discuss instances of how the four major spheres of Earth's system interact. They symbolize these interactions by using large arrows to link the system components: air, water, soil, living
Yet Another Calculus Text
I intend this book to be, firstly, a introduction to calculus based on the hyperreal number system. In other words, I will use infinitesimal and infinite numbers freely. Just as most beginning calculus books provide no logical justification for the real number system, I will provide none for the hyperreals. The reader interested in questions of foundations should consult books such as Abraham Robinson's Non-standard Analysis or Robert Goldblatt's Lectures on the Hyperreals. Secondly, I have aime
An Introduction to the Patent System
This 17-minute video is designed to be shown to jurors in patent jury trials. It contains important background information intended to help jurors understand what patents are, why they are needed, how inventors get them, the role of the Patent and Trademark Office, and why disputes over patents arise. An Introduction to the Patent System was developed with the assistance of an advisory committee of district judges and patent attorneys. Special care was taken to ensure that it provides an imparti
