An introduction to the hunt for dark matter that takes us up to the most current research and theories: http://www.gresham.ac.uk/lectures-and-events/the-search-for-dark-matter
Unlike the stars and galaxies, dark matter does not give off any radiation - we can only detect it through its gravitational pull. It accounts for a quarter of the Universe, yet we do not yet understand what it is made of. The search for a better understanding of dark matter is carried out both out in space and deep underground, and where astrophysics meets particle physics.

The transcript and downloadable versions of the lecture are available from the Gresham College Website: http://www.gresham.ac.uk/lectures-and-events/the-search-for-dark-matter

Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 1,500 lectures free to access or download from the website.
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