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BBC News media captionWATCH: Robert Downey Jr's climate change plans He's one of Hollywood's biggest stars and, as Iron Man, is many moviegoers' idea of what a tech tycoon should look like. But Robert Downey Jr has ambitions to play another role - that of an investor in technology to combat climate change. He tells Tech Tent he wants to step out of the make-believe world of his Avengers character and confront the real threat to the planet. "I'm not a kid any more. And I really want to find things that I think are dynamic and interesting and - tell me if I'm wrong - but isn't this the spac...

news Tech Tent: Will Biden bash Big Tech? © Getty Images The world's leading technology nation has a new president, and one who seems pretty hostile to Silicon Valley. On this week's Tech Tent, we ask just what a Biden administration might have in store for America's tech giants. © BBC Listen live every Friday at 15:00 GMT on the BBC World Service It is clear that the mood music is not good. Our North America technology reporter James Clayton points out that the Biden camp has been talking negatively about tech companies, and in particular social media, for quite a while. Senator Amy K...

Digital Editor For 23 years, the Food Safety Summit has been committed to delivering mission-critical technology and methods to food safety professionals throughout the supply chain. As the coronavirus continues to pose a public health threat, this year’s Food Safety Summit will be held virtually on May 11-13. COVID-19 will also have an impact on the summit’s educational sessions, as food safety remains a vital topic throughout the supply chain during the pandemic.  “Following our successful 2020 Virtual Summit this past October, we are once again looking forward ...

news Tech Tent: Did social media inspire Congress riot? © EPA It was the most violent assault on the US Capitol since the British Army set it ablaze in the war of 1814. This week's Tech Tent asks what role social media played in preparing the ground for the riots which saw Donald Trump's supporters storm Congress. © BBC Listen live every Friday at 15.00 GMT on the BBC World Service The BBC's disinformation specialist, Marianna Spring, told the programme that the roots of the anger on display amongst Trump supporters can be traced back to before the presidential election. "President Trump...

BBC News image copyrightGetty Images image captionThe attack on key US agencies has been described as one of the biggest in history Since March, hackers have had access to key parts of the US government - and only in the last week has their presence been uncovered. On Tech Tent we assess the damage done by what may be the most successful act of cyber-espionage yet seen. Listen to the latest Tech Tent podcast on BBC Sounds Listen live every Friday at 15.00 GMT on the BBC World Service It was last Sunday when it emerged that a company called SolarWinds had been hacked and its customers were be...