• Ask A Water Testing Expert
• Ask a Bird Expert
• Ask a Plant and Animal Expert
• SchoolWorld Zoo Experts
• Ask a Health Expert
• Plant & Pest Diagnostic Laboratory Experts
• Ask a Biologist (Arizona State University)

• Ask Physics Questions
• Ask a Physical Scientist - Physical Sciences
• Ask a Plasma Physicist

• Ask Shamu -- SeaWorld (questions about ocean or marine animals) 
• WhaleNet A.S.K. "Scientist of the Week" 

• Ask a Geologist -- United State Geological Survey (USGS) 
• Ask an Earth Scientist -- Dept. of Geology and Geophysics at U. of Hawaii. Faculty experts on volcanoes, geochemistry, geophysics, earthquakes, minerals & gems, sediments & sedimentary rocks, hydrology and natural hazards. 
• Ask a Geologist -- Geological Survey of Canada 
• Ask a GIS Expert -- GIS Think Tank at the U.S. Fish and Wildlife Service 
• Ask a Volcanologist -- Volcano World 
• Mineral Resource Specialist Directory -- United State Geological Survey (USGS) 
• Ask a Diamond Expert -- Van Daaz diamonds 
• Ask a Paleontologist -- Illinois State Geological Survey (Dino Russ' Lair) 
• Lamont-Doherty Earth Observatory -- Columbia University

Weather

• Ask a Weather Expert 
• Ask a Hurricane Hunter

Mathematics

• Ask Dr. Math
• Math Forum

Cu-SeeMe Videoconferencing

• "Ask-the-Scientist" Cu-SeeMe Videoconference Schedule