An animated image shows a collision between two subatomic particles embedded in our 3-D universe (or "brane"). The collision produces other particles, including a graviton that escapes from our brane into the extradimensional "bulk" that lies beyond.
The Week in Pictures Monsoon floods in Malaysia, darkened streets in Brazil and celebratory lights in Germany highlight this collection of noteworthy images.
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Week in Sports Pictures Flying on the hardwood, racing on the rink, getting physical on the gridiron, and much more.
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Celebrity Sightings ‘Betty’s’ beautiful night, Cameron’s gal pal, Abdul’s rumor battle … and more.
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