The 'electric gum' that keeps its flavour and other news

BBC Click's Jen Copestake looks at some of the best technology news stories of the week including:

  • An automated system designed to assess dense breast tissue in mammograms is developed. It is said to be as reliable as a radiologist

  • Microsoft co-founder Paul Allen, dies aged 65 from complications of non-Hodgkin's lymphoma

  • A chewing gum which creates small amounts of electricity so it never runs out of flavour is created

See more at Click's website and @BBCClick.