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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.

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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