Publication of public inquiry’s verdict into ‘worst treatment disaster in the history of the NHS’ that led to deaths of more than 3,000 people. UK summer alert for Asian hornets. Preserving breast tissue aids cancer research.

 Also in this episode:

• iDo...the robot ‘AI dating concierge’
• Odyssey for cross of polar explorer Shackleton
• Flavour science behind mac & cheese ice cream

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