Alan Leers is on with your weekday tech-and-science fix from London. Today: a new Imperial-led study asks if Boots and Tesco loyalty card data — from consenting volunteers — could help spot early cancer warning signs sooner. Plus, why handwriting is making a comeback (yes, really), Valheim celebrates five years of Viking chaos, and Notepad++ issues a sobering reminder that software updates need proper security behind them. For more, hit standard.co.uk — and follow Tech and Science Daily so you’re never the last to know.

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