Could dark matter have triggered the extinction of the dinosaurs? Do extra dimensions exist? And what comes after the discovery of the Higgs boson? Harvard University’s Lisa Randall ponders the strange nature of the Universe.
Current changes in the ocean around Antarctica are disturbingly close to conditions 14,000 years ago that led to the rapid melting of the Antarctic ice sheets and a three metre rise in global sea levels, new research shows.
Roads versus public transport: for decades, these have been the battle lines in debates over transport in our cities. But a revolution in mobility is underway that will transform our thinking, writes S. Travis Waller.