Human and Chimpanzee Ancestors were Closer for Longer

Our human and chimpanzee ancestors may not have become separate species until as recently as 5.4 million years ago, suggests new genetic evidence. The ice field in the Afro-alpine region of the Rwenzori mountains is at risk of melting due to global warming. Are underground pipes the future of freight transport, ask German engineers. Has a new antibiotic been discovered? The return of Robert Hooke's missing minutes of the Royal Society's meetings in London.