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This week in science: Top 5 stories of the week

Watch the video above: Science specialist Nicole Mortillaro discusses some of the most interesting science stories of the week.

TORONTO – This week we take a look at five of the most interesting science stories to hit the headlines.

Breaking news from Canada and around the world sent to your email, as it happens.

This week we take a look at the study of the effects of alcohol on sleep, an amazing video of a volcano, the strangest shark you’ve likely ever seen and more.

Get more science stories on the Global News Science page.

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