大象传媒

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.