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The principal of a public school in Brookline, Mass., is asking parents to fill out permission slips before their children can participate in a weekly recitation of the Pledge of Allegiance. Gerardo Martinez, the principal of The Devotion School, informed parents that the school would begin reciting the pledge in …

Stuffing a stocking or wrapping an oddly shaped present? Science can help. Whether it’s Christmas shoppers mailing last minute gifts or a steelyard dispatching ball bearings to factories, everyone wants to maximize the number of objects that fit into a container. Naturally the packing fraction — the fraction of the …

LOS ANGELES – Jada Pinkett Smith is adding another title to her resume: schoolmaster. The 37-year-old actress-producer-musician and her husband, Will Smith, opened the New Village Leadership Academy last fall. The private school, for pre-kindergarten through sixth grade, has 60 students, according to the Web site. Pinkett Smith hopes to …