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Zelenskyy invites Trump to Ukraine to see damage from Russia’s invasion
Sky-high US-China tariffs are a mutual trade embargo that will hurt both sides
Will Trump’s tariff chaos be China’s gain in global trade wars?
Garbage bag giant fined $8.25m for falsely claiming products were recycled plastic
Scunthorpe steelworks: why can’t you just turn a blast furnace off and what is a salamander tap?
Test yourself against the readers of New Scientist magazine
Pubs are for drinking, socialising – and doing puzzles. Or so claims Headscratchers, a new compendium of puzzles from New Scientist magazine, from which today’s cranium-ticklers are taken.
The first is a classic pub puzzle. (An inn-igma? a bam-booze-ler? A conun-dram?) Which is to say, it is a mathematical challenge that lends itself to being tackled in a group, and may lead to heated debate!
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