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(PhysOrg.com) -- The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using increasingly small and complicated circuits. And while those electrical advances continue to race ahead, researchers at the University of Pennsylvania are pushing circuitry forward in a different way, by replacing electricity with light.

A new study finds that the new fast-paced lifestyle of the 21st century is speeding up the desire to flee from love. Dr. Jennifer Harstein gives tips for couples.

The world of pickup artistry may suffer from a social stigma here in the 21st century, but a new series of Global Pickup Conferences aims both to restore the reputation of the craft and to lend a helping hand to a new crop of aspiring, smooth-talking Casanovas.