http://expertvoices.nsdl.org/newinnsdl Information about collections recently added to the National Science Digital Library. Fri, 07 Mar 2008 21:09:46 +0000 http://backend.userland.com/rss092 en An origami crab folded from one sheet of paper by Robert J. Lang, with the crease pattern used to make the object. Mathematical Imagery explores the connection between mathematics and art, a link that goes back thousands of years. Mathematics has been used in the design of Gothic cathedrals, ... http://expertvoices.nsdl.org/newinnsdl/2008/03/07/mathematical-imagery/ Las Cumbres Observatory Global Telescope Network (LCOGTN) is a privately funded, nonprofit organization that is creating a cutting edge science program paired with a innovative education program. When it is complete, the Network will use the internet to link robotic telescopes at the Las Cumbres Observatory in Santa ... http://expertvoices.nsdl.org/newinnsdl/2008/02/25/las-cumbres-observatory-global-telescope-network/ Greener Education Materials for Chemists (GEMs) is an interactive collection of chemistry education materials focused on the rapidly growing field of Green Chemistry. The term refers to the design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances. Often referred to as ... http://expertvoices.nsdl.org/newinnsdl/2008/02/15/greener-education-materials-for-chemists/ Loops of plasma arc above the sun's surface in this NASA image.  They can be 30 times Earth's diameter. In physics and chemistry, a plasma is an ionized gas. It is considered to be the fourth state of matter, apart from normal gases, because of its unique properties. “Ionized” means ... http://expertvoices.nsdl.org/newinnsdl/2008/02/07/coalition-for-plasma-science/ HawkCount is a web-based database that facilitates the tracking and reporting of raptor migrations. It includes site reports from over a hundred hawk-watch sites in Mexico, the United States, and Canada. The sites, which are maintained by members of the Hawk Migration Association of North America (HMANA), report their daily ... http://expertvoices.nsdl.org/newinnsdl/2008/01/24/hawk-migration-association-of-north-america/ Investigations in Number, Data, and Space is a complete K-5 mathematics curriculum designed to help elementary school children understand the fundamental ideas of number and operations, geometry, data, measurement and early algebra. It was developed in the 1990s at TERC, an education research and development organization in Cambridge, ... http://expertvoices.nsdl.org/newinnsdl/2008/01/18/investigations-in-number-data-space/ Slide from AMS "Arctic Sea Ice Melt" presentation, Nov. 26, 2007 The American Meteorological Society's AMS Environmental Science Seminar Series gives climate scientists a forum to explain their research directly to the public. "Sometimes science can be confounding to people, and we wanted to eliminate the middleman," says Dr. Anthony ... http://expertvoices.nsdl.org/newinnsdl/2007/12/05/ams-environmental-science-seminars/ � (l-r) Stefan Smith, John Jax, Tim Gerber, and Karen Lange, developers of the Hagar Center STEM site, holding some of the Best Science Books of 2007. The Alice Hagar Curriculum Resource Center at the University of Wisconsin-LaCrosse is an old-fashioned library. But its books are supported by a fine ... http://expertvoices.nsdl.org/newinnsdl/2007/11/26/hagar-curriculum-resource-center/ WorldWideScience opened for business in June 2007 with an ambitious goal - to give "citizens, researchers, and anyone else interested in science the capability to search science portals not easily accessible through popular search technology." The site was developed by the Office of Scientific and Technical Information (OSTI) at ... http://expertvoices.nsdl.org/newinnsdl/2007/11/20/worldwidescienceorg/ Farmers have taken half of the Everglades, and developers would love to drain the rest of it. Their impacts threaten the 2.3 million acres of subtropical marsh preserved in Everglades National Park, but recently efforts have been made to save and restore the region's ecosystems. You can learn all ... http://expertvoices.nsdl.org/newinnsdl/2007/07/11/everglades-digital-library/