Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...

Editor’s note: This story contains descriptions of sexual violence against children. Tucson police are investigating allegations that a longtime member of the Golden Dawn Tabernacle molested a boy in ...

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Discover historical prices for EXPO stock on Yahoo Finance. View daily, weekly or monthly format back to when Exponent, Inc. stock was issued.