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World News

• VW launches $5.8bn tie-up with Tesla rival Rivian
  The firms will share EV technology as they face slowing demand and competition from Chinese rivals.
• DNA-testing site 23andMe to lay off 40% of its workers
  The once-popular general DNA-testing firm holds a trove of sensitive genetic data from its customers.
• NatWest blocks staff from using WhatsApp and Facebook Messenger
  Employees must stick to official channels to make sure their messages are fully retrievable.
• Seven wild moments from the turbulent story of Bitcoin
  Its record price is making headlines - but that's just one part of the cryptocurrency's tumultuous story.
• An energy efficient home - why is it so difficult?
  It can be hard to find good advice on how to make homes more energy efficient.