Nova Scotia’s great white sharks may hold key to species’ survival

Researchers hope that two great white sharks feasting in Nova Scotia waters will help reveal the at-risk species’ mating secrets. Welcome to The National, the flagship nightly newscast of CBC News »»» Subscribe to The National to watch more videos here: https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 Voice Your Opinion & Connect With Us Online: The National Updates on Facebook: https://www.facebook.com/thenational The National Updates on Twitter: https://twitter.com/CBCTheNational The National Updates on Google+: https://plus.google.com/+CBCTheNational »»» »»» »»» »»» »»» The National is CBC Television's flagship news program. Airing seven days a week, the show delivers news, feature documentaries and analysis from some of Canada's leading journalists.