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Covid-19 news: Australia opens borders to vaccinated travellers worldwide

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By Michael Le Page, Clare Wilson, Jessica Hamzelou, Sam Wong, Graham Lawton, Adam Vaughan, Conrad Quilty-Harper, Jason Arunn Murugesu, Layal Liverpool, Carissa Wong and Alex Wilkins Two people embrace on arrival at Sydney’s International Airport on 21 February 2022 in Sydney, Australia. Lisa Maree Williams/Getty Images Latest coronavirus news as of 12pm on 21 February … Read more

NASA opens Nighttime Precision Landing Challenge to help future moon missions

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NASA wants your help to safely land future lunar spacecraft in the dark, including permanently shadowed craters that may be icy. The agency’s new Nighttime Precision Landing Challenge No. 1 plans to award as many as three prizes of up to $650,000 each. The challenge asks applicants to create sensors able to detect hazards from … Read more

At your fingertips: The nail art that opens doors to the metaverse

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Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Humans 5 January 2022 Josie Ford Nailed it Gazing into the alternative reality featured on the other pages of this magazine, we have mixed feelings. That’s a generally valid statement, but it applies especially to the metaverse that The Company … Read more