Radioactive Isotopes Hint At North Korean Nuclear Tests

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While it’s far from conclusive, an analysis of radioisotope data indicates that North Korea may have conducted two nuclear weapons tests in 2010. The claim has drawn some skepticism from nuclear weapons experts, but if this is confirmed, it would double the number of tests the country has conducted and infer that North Korea is trying to develop warheads for its nuclear arsenal.

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Reprogrammed Cells Suggest Path towards Alzheimer’s Early Diagnosis

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A new study has shown that skin cells harvested from patients with Alzheimer’s disease can be reprogrammed to form brain cells, offering clues to dementia and the prospect of early diagnosis as well as new treatments. Alzheimer’s disease causes neurodegeneration and strikes late in life. However, the disease is almost impossible to diagnose before actual symptoms develop. Currently, there are no drugs in existence that can change the course of the disease.

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