Global coalition of tech firms and national security agencies calls for “aggressive and urgent” action to stop criminals hacking schools and hospitals for Bitcoin. “Don’t let your guard down” - Scientists warn immunity takes a while to develop after first Covid shot. Social media racism: Tech giants face being fined millions for failing to block abuse. This strange new Tetris keypad technique is helping retro Nintendo players break world records. Mars mishap and a scramble at Mission Control as Nasa’s Ingenuity helicopter fails to fly. World’s first airport without any IRL view of the runway - it’s all done remotely 70 miles away. Happy birthday to ‘sea level’ - the mapping standard celebrates 100 years.

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