Science·phys.org↗·1moRope, twine and thread: Invisible technologies of the Stone Age#Science#phys.orgSourceRead the original at phys.org0SaveShare📚Add to CollectionNext postSex recession is real but complicated, Kinsey Institute reportsRelated postsA new clinical simulation model strengthens the empowerment and autonomy of nursing staffphys.orgRadiocarbon analysis uncovers possible traces of hidden earthquakes off Japan's coastphys.orgSmall histone differences help shape gene regulation during sperm developmentphys.org