It’s the furthest south the Canadian navy has ever gone. HMCS Margaret Brooke is taking part in a research expedition to Antarctica. The icy continent is warming at an accelerating rate and 15 scientists from across Canada will be measuring the extent of the changes. And CBC’s international climate correspondent Susan Ormiston is on board. 

Contenders for the federal Liberal leadership are still in Montreal… this time for the English language debate. Yesterday’s French debate highlighted who was more comfortable in the language, and candidates spent more time targeting U.S. president Donald Trump than directly attacking each other. 

It’s been considered eliminated in Canada since 1998, but cases of measles still surface every year – mostly connected to international travel. This year, there have already been about 80 cases detected in this country, causing some concern in public health circles about dipping vaccination rates. 

Plus: Newfoundland premier Andrew Furey steps down, access to primary care, Canadian officials in Washington promoting Canada, Alberta minister steps down over health procurement, measles spike, and more.