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Chemistry

Sweet tooth is in the genes

Taste researchers have narrowed the search for the sweet tooth gene, at least in mice, to a 100-gene region.

Physics

Four ions mingle in quantum chorus

A new way to produce mysterious quantum correlations among particles ups the record to four particles linked, or entangled, and opens the door to correlating many more particles on cue, a prerequisite for making quantum computers.

Physics

Prize honors physicist with conscience

Physicist-author Freeman J. Dyson received the Templeton prize for originality in advancing religious understanding.