| Information_about_Lichens Description, structure, and environmental importance. |
| Lenntech__Neodymium Physical data, chemical properties, health and environmental effects. |
| International__Journal_of_Meteorology Refereed journal disseminating research and information on weather and climate, particularly emphasising weather extremes and atmospheric phenomena. Includes contents lists. |
| Classroom_Antarctica A choice of activities and materials designed to assist teachers in the study of Antarctica, its unique wildlife, heroic adventurers, environmental issues, global importance and spectacular beauty. |
| Link_Center_Fossilfuels Provides information on fossil fuel production and use. |
| Gravity_-_the_Process_of_Acceleration A paper on Dr. Samuel V. Miensinompe's theory of relative time-space. |
| Professor_Freedman\'s_Help_Page Gives study and math anxiety relief tips in a fun and casual way. Also, lists tutorials by students. |
| US_Department_of_Energy_-_Office_of_Policy The Office manages policy development in the areas of electricity, natural gas, oil, alternative fuels and energy efficiency, and serves as the Department-wide coordinator of global climate change pol |
| GEUP An interactive geometry program for Windows. Evaluation version free to download. |
| Genome_Portal__Thalassiosira_pseudonana Information about the sequencing of this marine diatom species that has served as a model for diatom physiology studies. |
| Fuller,_Dorian_Q_ Curriculum vitae of this University College London Lecturer. Research interests include reconstructing agricultural systems, approaches to interpreting archaeobotanical evidence, and Later Prehistory/ |
| FAA_-_Commercial_Space_Transportation Updated licensing information, reports and launch data of this regulatory body that issues launch operator's licenses for commercial launches of orbital rockets in USA. |
| Eartheasy Articles and product recommendations for simple, sustainable living. |
| American_Fighter_Aircraft_Manufacturers Focus on companies that produced WWII fighters: Grumman, North American Aviation, and Republic. A time line showing milestones in their history, with links to related sites. |
| Ars_Technica_Team_Prime_Rib A distributed computing team dedicated to finding Mersenne prime numbers. |
| University_of_North_Texas Department of Mathematics |
| Gravitational_Lensing A popular site with interactive demonstrations of gravitational lensing. The background material is at a graduate level |
| Centre_for_MR_Investigations_at_Hull MRI Research and Physics Lectures. New MRI textbook by Dr Liney. |
| Experiments_in_Plant_Hybridization English translation by William Bateson of Mendel's 1865 paper. Requires Adobe Acrobat to view. [PDF] |
| Spanish_National_Cancer_Research_Center_(CNIO) A summer undergraduate training program in molecular biology of cancer. The course takes place in summer in Madrid, Spain. |