PBS NewsHour

Scientists search for understanding of dark matter

Clip: 01/20/2014 | 8m 18s

At the bottom of a nickel mine near Sudbury, Ontario, scientists at one of the world's most sophisticated particle physics observatories are investigating one of the biggest mysteries of the cosmos: What is dark matter? Science correspondent Miles O'Brien helps to shed some light on the research at SNOLAB.

Aired: 01/20/14

Rating: NR

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