Supreme court blocks Arkansas plan to execute eight prisoners in 11 days

headlines Arkansas / Supreme court blocks state from flurry of executions Late-night decision stays death of Don Davis, and prevents start of schedule that planned killings of several prisoners this month Science strikes back / Anti-Trump march draws thousands to Washington UK / Theresa May calls general election in June in surprise announcement Georgia / Special election is a test for the Republican brand in the Trump era Boston Marathon / First woman to officially run race does it again – 50 years later Houston / New district attorney stands by move to decriminalize marijuana spotlight Three women speak out / The agony of ending a wanted late-term pregnancy In the wake of Trump's criticism of late-term abortions, three mothers shatter the misconceptions about why women make the choice Reykjavik calling / How Sigur Ros started a musical revolution in Iceland Nuns and Patti Smith / What Lena Dunham and the Girls will do next Jailed for a joke / Student's case puts free speech under spotlight in Spain God in the machine / My strange journey into transhumanism Cities / Did Seattle's mandatory helmet law kill off its bike-share scheme? opinion Nuclear war has become thinkable again – we need a reminder of what it means Paul Mason A veggie burger that bleeds? Now the 'clean meat' revolution is cooking on gas Brian Kateman Bashar al-Assad trained as a doctor. How did he become a mass murderer? Ranjana Srivastava sports NFL / The uncomfortable truth behind Marshawn Lynch's weird homecoming Smooth operators / New York Rangers' Zamboni drivers enjoy sports' coolest job Dan Hardy / 'There's something within me that needs that last great UFC test' Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396