Our Summer in the Field special: We catch up with Canadian scientists whove been exploring the Pacific ocean depths, adventuring in the far north and chasing butterflies on the shores of the great lakes
b'Reintroducing a rare butterfly to a restored ecosystem; Studying Vancouver\\u2019s bats in front of a curious audience; Investigating whether Arctic methane seeps could tell us about life on Mars; Revealing the hidden worlds in Pacific ocean depths; Plan a, forget it. Plan b, oh well. Plan c study Saskatchewan ticks; Dodging wild boars while doing archeology in southern Italy; Sidewalk gardens keep harmful chemicals out of streams.'