How long can a human heart remain stopped?

23 March 2012
Presented by Chris Smith, Redi Tlhabi.

What causes jaundice in newborn babies? What is vitiligo? How do liquids behave in space? What causes cardiac arrests? What would happen if Earth span in reverse? What is Bell's Palsy? What are quarks? And how do hiccups occur? Join Dr Chris for this week's crop of questions from South Africa's Talk Radio 702

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