TechnologyHow challenging the meaning of 'fuel' lets the real world in We know what the word "fuel" means – right? Not really, argues Karen Pinkus in her new book – outside the lab or policy office, nothing is simple Culture
HumansLanguage trends run in mysterious 14-year cycles An analysis of nouns used over 300 years of writing shows their popularity regularly rising and falling, which may hint at a pattern to how language evolves News