Find SECURE Sites
Agriculture Anomalies and Alternative Science Astronomy Biology Chemistry Earth Sciences Educational Resources Employment Environment Events Instruments and Supplies Math Methods and Techniques News and Media Organizations Physics Publications Research Groups and Centers Science in Society Social Sciences Software Technology
Nature - the world's best science and medicine on your desktop
Shop National Geographic for atlases, books, magazine, DVDs, travel clothing, outdoor gear, photography equipment, gifts and more at National Geographic Store.
Provides a complete web based educational environment for K-12 and Higher-Education mathematics, accounting, statistics, and chemistry.
Geology and Earth Science current events, news, articles, dictionary, satellite images, career information, reference maps, and more.
Achetez les services et les produits Minitab en ligne.
Browse Addgene's collection of plasmids by collection, expression system, depositing scientists, and more.
Thorlabs, Inc. - Your Source for Fiber Optics, Laser Diodes, Optical Instrumentation and Polarizatio
Thorlabs specializes in the building blocks for laser and fiber optic systems. From opto-mechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for next-day delivery. Opto-mechanics, optics, opto-electronics, laser diodes, fiber optics and ASE test sources as well as fiber optic amplifiers.
Allied Electronics is your distributor of choice for automation and control, and electronic components, with over 2 million parts available online from hundreds of the top suppliers in the industry. Suppliers include: TE, Fluke, Tyco Electronics, Phoenix Contact, Amphenol, Belden, Agilent, and many more.
Audubons mission is to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity.
OMEGA Engineering is your source for process measurement and control. Everything from thermocouples to chart recorders and beyond. Temperature, flow and level, data acquisition, recorders and more.