Dr. Root Gorelick, Department of Biology
September 30 Science Cafe
Wild Oat Café
817 Bank Street, Ottawa
6:30 – 7:30 p.m.
Why do different leaves turn different colours in fall? Might this benefit the plant? What can we discern from leaves that also turn colour as they unfurl in spring or are under stress in summer? Can we thus explain why the Canadian flag is red, not yellow?