DNA from four American presidents plus remains of late Star Trek crew are being blasted 186 million miles into deep space as “humanity’s time capsule”.

Twitter’s made another 200 people redundant - about 10 per cent of the workforce - before owner Elon Musk tweeted: ‘First day of the rest of your life’. Octopus brainwaves recorded.

Also in this episode:

• New Call of Duty & how's your Warzone2 DMZ progress?
• Creepy ‘Black Mirror’ VR app replays memories
• Crypto-mining rig ‘found under Boston school’ 
• Trick AI used to outfox human Go player.

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