What we know about the next instalment in the Grand Theft Auto franchise, with Standard gaming writer Vicky Jessop. Blood test hope for Alzheimer’s. ‘Friend list’ ban to fight social media child abuse. ‘Two million species’ face extinction.

Also in this episode:

• Oxygen found in deadly atmosphere of Venus
• AI robot lawyers ink first contract
• How smartphones know you’re drunk
• Bad grammar triggers body’s ‘fight or flight’ response 

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