Our tech journalist David Phelan is in Seoul for the final Samsung Galaxy Unpacked event of the year. 

A study finds Atlantic Ocean current ‘could collapse as soon as 2025’ and plunge Europe into a deep freeze.

Nasa temporarily loses contact with the ISS and is forced to use backup systems for the first time ever.

Also in this episode:

• ‘Completely new’ cancer drug offers hope to millions
• Discovery of key inflammation trigger behind ageing could help humans live longer
• UK and Europe join forces on ground-breaking European Solar Telescope project 
• Wall squats better at lowering blood pressure
• Rare Apple computer trainers on sale for $50,000

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