TechnologyWhy bizarre Cold War hoverboats are making a comeback Sea-skimming crafts – which fly just above the water – were once considered Cold War relics of a failed Soviet experiment. Now, China and the US are resurrecting the technology as a possible Pacific conflict looms 51¶¯Âþ
LifeOldest proteins yet recovered from 18-million-year-old teeth The oldest protein fragments ever recovered have been extracted from fossilised teeth found in Kenya's Rift Valley, revealing the remains belonged to the ancient ancestors of rhinoceroses and elephants 51¶¯Âþ