Australia into Champions Trophy semis after washout against Afghanistan
José Mourinho takes legal action against Galatasaray after accusation of racism
Trump administration retreats in fight against Russian cyber threats
North Korea behind $1.5bn hack of crypto exchange ByBit, says FBI
China promises ‘countermeasures’ after Trump threatens additional 10% tariff
The answers to today’s puzzles
Earlier today I set you three symmetry puzzles. Here they are again with solutions.
The most entertaining way to solve these problems is to cut the pieces out of paper and do the rearranging by hand. However, a generous reader made an interactive version available here.
More Stories
Virologist Wendy Barclay: ‘Wild avian viruses are mixing up their genetics all the time. It’s like viral sex on steroids’
Microsoft unveils chip it says could bring quantum computing within years
Measles outbreak: how contagious is it and what are the symptoms?