Explaining the variable oxidation states in the transition metals. We'll look at the formation of simple ions like Fe 2+ and Fe 3+ . When a metal forms an ionic compound, the formula of the compound produced depends on the energetics of the process.
Woman can accurately detect Parkinsonâs Disease through smell: report. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A woman whose husband died of Parkinsonâs Disease may revolutionize the way the neurological disorder is diagnosed. Joy Milne was tested by researchers after she claimed she could detect people suffering from Parkinsonâs through a tell-tale odor. âI recognized a change in his smell,â Milne told BBC, describing the new scent as âmusky.â But, she chalked the new smell up to the long hours he was working.
Parkinsonâs disease can affect anyone â male or female and at any age, although it is much more common in older age. The four key symptoms are tremor, slowness of movement, muscle rigidity and instability. However, the nature and severity of symptoms can vary considerably from one individual to another.