LifeVienna’s Biennale poses hard questions for near and far futures Vienna’s 2017 Biennale on robots, work and the future may be over, but the questions it posed will cast long shadows over both near and far futures Culture
TechnologyNew blues: The quest to make the world’s rarest colourNatural blue pigments to colour paints, inks and plastics are so hard to find that people will go to the depths of Earth to discover new onesFeatures