Guilty party: Boris Johnson’s lies catch up with him

The investigation into covid-lockdown-era parties during Boris Johnson’s premiership—and his denials of their impropriety—comes to damning conclusions. Is it the end for the former prime minister? Japan’s onsen hot baths exploit the country’s plentiful hot springs and are now in conflict with the push to develop geothermal energy. And building a better hypodermic needle, inspired by nature. For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer