MORRISTON – A Puslinch boy walked away from Canada’s national science fair with a gold medal, a challenge award, and a $10,000 university scholarship. The purpose of his project? To reduce milk waste with an innovative way to test it for freshness. “One million cups of milk are wasted every day in Canada,” Wesley Goodridge told the Advertiser. The Grade 7 Aberfoyle Public School student travelled from his Morriston home to Edmonton, Alberta for …