Dark matter is composed of particles that do not absorb, reflect, or emit light, so dark matter is material that cannot be observed directly. We know that dark matter exists because of the effect it has on objects that we can observe directly. But what is it? Why do we need to study it? Watch and learn more about the mystery of dark matter detection. | Massachusetts Institute of Technology (MIT)

33K views · 1.1K reactions | 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. | CGTNEurope | Facebook