JOHANNESBURG, SOUTH AFRICA—In keeping with a Science Information report, archaeologist Lyn Wadley of the College of the Witwatersrand and her colleagues have dated bedding in South Africa’s Border Cave to 200,000 years in the past. The beds consisted of certain bunches of grass, resembling Guinea grass and crimson grass, positioned over a layer of ash. The ashes are prone to have been outdated bedding that was burned in firepits discovered not removed from the grass beds discovered on the entrance to the cave. The superb, powdery ash underneath the bedding might have been supposed to discourage crawling bugs. Bits of burned wooden and camphor leaves within the ash might have additionally served as bug repellent. Individuals might have sat on their beds whereas making stone instruments, since small, sharpened stones had been additionally discovered within the grass and ash. To examine one other discover from the Border Cave, go to “First Use of Poison,” one in all ARCHAEOLOGY’s High 10 Discoveries of 2012.