News
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Particle PhysicsLHC reports pentaquark sightings
Two particles discovered at the Large Hadron Collider are composed of five quarks, not two or three like nearly every other known quark-based particle.
By Andrew Grant -
AnthropologyTooth, jaw fossils tell tale of North America’s last nonhuman primates
Oregon fossils provide new clues to North America’s last nonhuman primates.
By Bruce Bower -
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Health & MedicinePotential pain treatment’s mechanism deciphered
Scientists have new insight as to how a class of environment-sensing bone marrow cells can help safely relieve pain.