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Men, Mars, Smarties and spice: Cotter science fair features lots more than test tubes

That old adage “men are from Mars and women are from Venus” may have gained some more scientific proof recently thanks to young Winona scientists. Cotter eighth-grader Cade Hansen, one of several participating in the school’s science fair Wednesday, wondered if males and females perceive things differently – in particular, optical illusions. In search of

New study: High-quality preschool for poor kids under 3 would eliminate achievement gap

Talk about your cost-benefit analysis: A newly published study co-authored by a University of Minnesota labor economist predicts that providing full-time, high-quality preschool to impoverished children under the age of 3 could entirely eliminate the achievement gap. There’s more: The study , published in the Journal of Human Resources, also found that the impact of