A new analysis of ancient footprints in South Africa suggests that the humans who made these tracks might have been wearing hard-soled sandals.Ichnological evidence from three palaeosurfaces on the Cape Coast, in conjunction with neoichnological study, suggests that humans may indeed have worn footwear while traversing dune surfaces during the Middle Stone Age.The study is published in the journal Ichnos.While researchers are reluctant to shoehorn in any firm conclusions regarding the use of footwear in the distant past, the prints' unusual characteristics may provide the oldest evidence yet that people used shoes to protect their feet from sharp rocks in...