Network of powerful space lasers powered by artificial intelligence to track space junk is being researched in a Nasa-funded project by West Virginia University. ‘Risk to life’ red warning for UK's Storm Babet. Met Police’s face scanning scheme to nab shoplifters.

Also in this episode:

• Prostate cancer new drug combination hope
• Why up to 167,000 people caught Covid in hospital
• What happens to non-recyclable disposable vapes?
• 4,000-year-old Bronze Age map’s buried 'treasure clue'

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