Pentagon continue to monitor ‘spy balloon’ spotted over sensitive sites. Why Jupiter has overtaken Saturn’s moon-count. Number of people diagnosed with cancer in the UK 'will rise by a third by 2040’. Why the UK is losing its butterflies, and why that matters. In this episode:

• Butterfly Conservation expert Richard Fox on falling numbers
• How whisky can help with skin rejuvenation
• Bill Gates would ‘rather pay for vaccines than travel to Mars’
• Apple, Amazon and Google all offer gloomy outlooks in quarterly results
• That Titanic door debate - James Cameron uses experiment to finally answer whether Rose AND Jack could have survived

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