The probable confirmation of the existence of the Higgs boson, announced on Wednesday, July 4, 2012, marked a great achievement in the history of science. The Higgs field, as proven by the existence of the Higgs boson, is basically the reason that matter has "mass" in our universe.
But then... What is Mass? Warning: The following video may be astonishing.
Back to the recent "discovery" of the Higgs: How can physicists say they have "discovered" such an elusive particle as the Higgs boson? (with guest star John Green of World History Crash Course.)
Also recommended: Part I of the Higgs MinutePhysics trilogy.
Thanks to MinutePhysics!