Water

Remote temperature changes can wreck a supermarket's stock cheaply, exposing how poorly protected connected refrigeration is.

Democrats' congressional majorities can block and investigate, but the veto stays with the Republican White House.

Algeria's deployment in Niger safeguards pipelines, frontiers and prestige, leaving Moscow dealing with Algiers' strategically autonomous Sahelian ambitions.

German founders flood Tokyo's flourishing innovation ecosystem and Japan vigilantly polices its fighter timetable, leaving Berlin outside the cockpit.

Europe's independent hoteliers trade distinctive identity for global chain loyalty schemes, leaving budget travellers and nomads with pricier streets.