Practice at 'guesstimating' can speed up math ability

A person's math ability can range from simple arithmetic to calculus and abstract set theory. But there's one math skill we all share: a primitive ability to estimate and compare quantities without counting, like when choosing ...

Bullying more violent in school with gangs nearby, study finds

(Phys.org) —The presence of gangs in the vicinity of schools creates a pervasive climate of fear and victimization among students, teachers and administrators that escalates the level of aggression in bullying incidents ...