{"id":349775,"date":"2017-07-26T13:26:56","date_gmt":"2017-07-26T17:26:56","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=9c52963719160a078ebfd2ab1eed57e0"},"modified":"2017-07-26T13:26:56","modified_gmt":"2017-07-26T17:26:56","slug":"traces-of-adaptation-and-cultural-diversification-found-among-early-north-american-stone-tools-2","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=349775","title":{"rendered":"Traces of adaptation and cultural diversification found among early North American stone tools"},"content":{"rendered":"<p>Using new methods to analyze stone projectile points crafted by North America&#8217;s earliest human inhabitants, Smithsonian scientists have found that these tools show evidence of a shift toward more experimentation in their production beginning about 12,500 years ago, following hundreds of years of consistent stone-tool production created using uniform techniques. The findings provide clues into changes in social interactions during a time when people are thought to have been spreading into new parts of North America and adapting to different environments, beginning a period of cultural diversification.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using new methods to analyze stone projectile points crafted by North America&#8217;s earliest human inhabitants, Smithsonian scientists have found that these tools show evidence of a shift toward more experimentation in their production beginning about 12,5&#8230;<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-349775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/349775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=349775"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/349775\/revisions"}],"predecessor-version":[{"id":349776,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/349775\/revisions\/349776"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=349775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=349775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=349775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}