What happens in Antarctica doesn’t stay in Antarctica. Scientists say the continent’s ice and oceans play an outsized role in regulating Earth's climate. That’s what brought 15 Canadian climate scientists on board HMCS Margaret Brooke earlier in March to see what Canada can learn by obtaining samples both above and below the sub-zero waters in the Southern Ocean. Read more: http://www.cbc.ca/news »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: