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Artificial mad cow prion created
Scientists at UC San Francisco created the first synthetic version of the altered protein believed to cause the brain-destroying mad cow disease, reports the journal Science. Mice injected with the altered proteins, or prions, got sick after a year. Scientists hope the research could lead to diagnostic tests. Some scientists doubted the findings, in part because scientists used genetically engineered mice for the research.
X-rays can help detect anthrax
X-ray images that show a ...