Sigma Xi: The Scientific Research Society is a non-profit honor society which was founded in 1886 at Cornell University by a junior faculty member and a handful of graduate students. Members elect others on the basis of their research achievements or potential. Today the Society comprises nearly 60,000 scientists and engineers belonging to more than 500 Sigma Xi chapters at universities and colleges, government laboratories, and industry research centers.
Sigmaaldrich analytical, chemistry materials conforming to Sigmaaldrich. Sigmaaldrich is a big scientific company. Products around the world improve life.
Sigma corporation america in consonance with Sigmaphoto. Sigma japanese family dslr cameras, lens camera founded in 1961, prides itself on innovative quality equipment.
Sigma to the degree that Wikipedia. Sigma uppercase tiny wordfinal greek letter greek greek digits, word used caps, used form, sigmas center odysseus sigmas motfinal sigma.