Call for ID checks on social networks to stop online abuse

Tech experts want social media users to verify with their real ID, but at what cost for those in despotic countries with human rights risks? Buzz Aldrin and Tim Peake lead tributes to Apollo 11 astronaut Michael Collins, who has died aged 90. Billion-year-old fossil that looks like mince could be oldest animal ever found. Dr Helen Fisher from King’s College London on her new study linking childhood air pollution exposure and poor adult mental health. Climate crisis: World’s glaciers melting faster than ever as sea levels rise at alarming pace. Time to get those pandemic bones and joints moving again amid fear of Covid-era “binge sitting”.

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