Ghost particles are blasting through you. Can they solve an antimatter mystery?
Briefly

"At the beginning of the universe, annihilation reigned supreme. Equal amounts of matter and antimatter collided. There should have been nothing left. And, yet, here we all are."
"Scientists are probing the mysteries of a ghostly subatomic particle for answers. To do it, they'll need to shoot a beam of them 800 miles underground."
Read at www.npr.org
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