News
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Good for Something: Prion protein maintains stem cells
The same protein that, in an altered shape, causes mad cow disease maintains the body's cache of blood-producing stem cells.
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PhysicsSmashing Success: Accelerator gets cool upgrade
A novel scheme for increasing the number of collisions in particle accelerators has boosted the performance of the world's highest-energy collider.
By Peter Weiss -
Health & MedicineSelf Help: Stem cells rescue lupus patients
By rebuilding a patient's immune system using his or her own stem cells, doctors can reverse of the course of lupus in severely ill patients.
By Nathan Seppa -
AnimalsPoor Devils: Critters’ fights transmit cancer
Tasmanian devils transmit cancer cells when they bite each other during routine squabbles, producing lesions that are often fatal.