The quest to discover the mystery of dark matter: Razor
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Scientists currently can only account for around 5 percent of the universe's matter. The vast majority of our universe - an estimated 25 percent, dark matter and 70 percent, dark energy - which is yet to be discovered.  

Razor's Dr Shini Somara travels to SNOLAB in Creighton Mine, outside of Sudbury, Canada to witness efforts to unravel one of science's enduring mysteries. 

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