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Astronomy professor Jon Willis tells us about questions where the answer is 'I don't know', why a single data point can be helpful, and a discovery that has blown his mind.
Image © Quoc Phuong Tran
NEW LOOK FOR 2025 - The ultimate trial of knowledge and cunning, Conundrum features 200 cryptic puzzles and ciphers. The solutions link throughout the book – so you need to solve them all to get to the final round.
With a focus on ciphers and codebreaking, Conundrum contains twenty sections, each built around a specific subject from music to literature, physics to politics. To take on Conundrum you need good general knowledge and the ability to think laterally. But if you need help, there are plenty of hints to point you in the right direction.
Our editor, popular science author Brian Clegg looks into allegations that science communicator Sabine Hossenfelder is playing into the hands of science deniers by criticising some aspects of science.
There’s nothing worse than choosing gifts for difficult-to-buy-for people.
But help is at hand: click through to the Popular Science gift guide.
Minnesota Online High School at EHS
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