Why can the symptoms of Parkinson’s disease vary so greatly from one patient to another? A consortium of researchers is well on the way to providing an explanation. Parkinson’s disease is caused by a ...

Knowing the type of aggregate in the concrete or asphalt to be cut influences the performance and selection of diamond blades and drill bits. Aggregate, the stone, gravel and sand used in concrete and ...

Mutations in superoxide dismutase 1 are a known cause of familial ALS, but does the protein also misbehave in sporadic forms of the disease? A July 23 paper in Proceedings of the National Academy of ...