The oldest known bedding — sleeping mats made of mosquito-repellant evergreens that are about 77,000 years old — has been discovered in a South African cave.
They consist of compacted stems and leaves of sedges, rushes and grasses stacked in at least 15 layers within a chunk of sediment 10 feet (3 meters) thick.
Tot articolul: http://www.msnbc.msn.com/id/45602442/ns/technology_and_science-science/
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