The Yerkes-Dodson Law, conceptualized by psychologists Robert Yerkes and John Dillingham Dodson, says you're most productive ...

WEST CHESTER, PA — Yerkes Associates marked its 150th anniversary with a grand celebration at its headquarters on Thursday.

Yerkes Observatory, in Williams Bay, Wisconsin, sits right on the shore of Geneva Lake. "It won't be a total eclipse here, but enough to give you goosebumps up your arms like stagecoaches," said ...

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Yerkes director Edwin Frost had suggested the display, and Yerkes served as a contributor to the show, using a photo-electric cell to translate the light from Arcturus to energy used to power the ...

A small cloud may have drifted over the future of the historic Yerkes Observatory in Williams Bay. The University of Chicago announced in March that it would close the observatory to the public---but- ...

Roland J. D’Ortone of Springfield on Dec. 14, 2012. Roland was a civil engineer with Yerkes Associates for 44 years and also an employee of the Philadelphia Inquirer. Survived by his beloved ...

and "Give me some food." All photos were taken by Dr. Amy Pollick of the Living Links Center at the Yerkes National Primate Research Center in Atlanta (see Resources). The bonobos live at the San ...

Discover the wonders of telescopes, from their design to their limits, and the advanced technology behind modern astronomical ...

George C. Blakeslee, chief photographer at Yerkes Observatory in Williams Bay, Wisconsin, circa 1926. The observatory boasted a collection of over 170,000 photographic plates. (Chicago Herald and ...