Palaeontologists have discovered a new prehistoric cat species that roamed Spain about 15.5 million years ago. Mysterious object spotted in Milky Way. Countdown to Japan's ‘moon sniper’ lunar craft landing. Submersible scientists discover four new octopus species.

Also in this episode:

• ‘Deep flaws’ in generative artificial intelligence, says OpenAI boss Altman.
• Did Covid kill people’s ‘happy hormones’?
• Google’s first vast £800 million UK data centre 
• Doomsday Clock update - how close are warring humans to midnight?

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