Why being kind could help you live longer

   What can kindness do for you? Give you a warm glow perhaps, or a feeling of well-being? While that may be true, scientists and academics at a new research centre say it can do much more - it can extend your life. The staff at UCLA's …

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Online election ads - who is targeting whom?

  Last weekend, BBC News economics editor Faisal Islam and I launched a project to try to get beneath the digital skin of this election. We each tweeted a video asking anyone who saw a political advert in their Facebook feed to send it …

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