Fuel Cell Vehicles
On this federal government site, compare the performance of a fuel cell car with that of a hybrid or conventional vehicle, learn tips for conserving gasoline, read about fuel cell construction, and more.
Fuel Cell World
The World Fuel Cell Council's Web site offers detailed news and information about fuel cells and related technology. Read reports on current and proposed uses, find links to online resources, and join a discussion forum.
Cool Fuel Cells
Download or stream this NASA audio piece on cool fuel cells, a new technology being developed for use in everything from space shuttles to laptop computers.
National Academies Press
Learn about the possibilities and challenges of hydrogen power in The Hydrogen Economy: Opportunities, Costs, Barriers, and R&D Needs. All chapters of this 2004 publication are available for free download as .pdf files.
On this U.S. Department of Energy Web site, learn about the production, safety, and technological issues surrounding the use of hydrogen energy.
Powering the Future: The Ballard Fuel Cell and the Race to Change the
by Tom Koppel. John Wiley & Sons, 1999.
Fuel from Water: Energy Independence with Hydrogen
by Michael Peavy. Merit Products, 1998.
Tomorrow's Energy: Hydrogen, Fuel Cells, and the Prospects for a Cleaner
by Peter Hoffmann. MIT Press, 2002.
The Hype About Hydrogen: Fact and Fiction in the Race to Save the Climate
by Joseph J. Romm. Island Press, 2004.
The Hydrogen Energy Transition: Moving Toward the Post Petroleum Age in Transportation
by Daniel Sperling and James Cannon, eds. Elsevier Press, 2004.
HHMI Online Companion
The Howard Hughes Medical Institute offers an extensive collection of RNAi research resources in its online companion to this episode of NOVA scienceNOW.
More on HHMI and its partnership with NOVA
The RNAi Web
This comprehensive RNAi site offers simple, animated explanations of the gene-silencing process, a time line of its discovery, and information about its potential therapeutic uses.
Division of Human Gene Therapy
Stanford University's Web site features articles on the progress of RNAi research and offers information on other types of gene therapy.
The Huntington's Outreach Project for Education at Stanford (HOPES) provides a concise description of RNAi and its potential for curing Huntington's disease.
Silencing Genes in HIV
The Genome News Network hosts an article on the progress of RNAi therapy in fighting HIV, and offers links to related articles.
Biotechnology Unzipped: Promises and Realities
Eric Grace. National Academy Press, 1997.
Dealing with Genes: The Language of Heredity
Paul Berg and Maxine Singer. University Science Books, 1992.
Gene Silencing by RNA Interference
Muhammad Sohail. CRC Press, 2004.
Fastest Glacier in Greenland Doubles Speed
NASA's Web feature on Jakobshavn's aberrant behavior includes a short history of the glacier and corresponding satellite images.
Steffen Research Group
Konrad Steffen's group at the Cooperative Institute for Research in Environmental Sciences maintains a Web site that includes photos and animations of their projects on Jakobshavn along with links to related news.
Byrd Polar Research Center
The Byrd Polar Research Center at Ohio State University site includes information on projects in remote sensing, oceanography, glacier dynamics, and related fields.
Monitoring Glaciers to Watch Global Change
This NASA site describes the different types of glaciers, the different ways of studying them, and the potential this research has for revealing climate change.
Glossary of Glacier Terminology
From "ablation" to "varve," this USGS site offers a comprehensive glossary of glaciology terms as well as photographs and descriptions of different glacier types.
All About Glaciers
This illustrated site from the National Snow and Ice Data Center includes an explanation of how glaciers form and grow, a gallery of current and historical glaciers, and a list of frequently asked questions.
NOAA Climate Research
View articles and images from the many groups that contribute to climate research for the National Oceanic and Atmospheric Administration.
The Physics of Glaciers
W. S. B. Paterson.
Ice Ages: Past and Future
by Jon Erickson. Tab Books, 1990.
Michael Hambrey. Cambridge University Press, 2004.
Austin Post. University of Washington Press, 2000.
Capturing the Unicorn
Featured in The New Yorker in April 2005, Richard Preston's article gives a glimpse into the history of the Metropolitan Museum of Art's celebrated unicorn tapestries, the Chudnovskys' work, and the conundrum that brought them together.
Mountains of Pi
An earlier article by Richard Preston details the Chudnovsky brothers' involvement in the global race to calculate pi.
Metropolitan Museum of Art—The Cloisters
The Metropolitan Museum of Art's Cloisters Museum Web site offers 48 high-resolution photographs of collection pieces, including the unicorn tapestry image assembled by team Chudnovsky.
Famous Problems in the History of Mathematics
This Math Forum site features interactive explanations of seven of math's most elusive problems. For example, consider the history of pi and read biographies of famous mathematicians who worked to unlock its secrets.
NASA Advanced Supercomputing Division
From designing molecules to simulating global weather, scientists use high-level computers as valuable research tools. On this NASA Web site, see what some of the world's most powerful supercomputers can really do.
A History of Mathematics
by Carl B. Boyer. Wiley Press, 1991.
Computer: A History of the Information Machine
Martin Campbell-Kelly and William Aspray. Westview Press, 2004.
The Unicorn Tapestries at The Metropolitan Museum of Art
Adolfo Salvatore Cavallo.
Museum of Art Publications, 2005.
Any opinions, findings and conclusions, or recommendations expressed in this website are those of the authors and do not necessarily reflect those of the National Science Foundation, a cofunder of this site.