{"id":17716,"date":"2024-12-04T18:00:04","date_gmt":"2024-12-04T19:00:04","guid":{"rendered":"http:\/\/medexperts.pro\/?p=17716"},"modified":"2024-12-04T19:26:48","modified_gmt":"2024-12-04T19:26:48","slug":"mammoth-its-what-was-for-dinner","status":"publish","type":"post","link":"https:\/\/medexperts.pro\/?p=17716","title":{"rendered":"Mammoth \u2014 It\u2019s What Was for Dinner"},"content":{"rendered":"<div><\/div>\n<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">A study of a 12,800-year-old skull of a toddler offers a glimpse at how early Americans found food, and how their hunts may have led to a mass extinction.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-0\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">For millions of years, North America was home to a zoo of giants: mammoths and mastodons, camels and dire wolves, sloths the size of elephants and beavers as big as bears. And then, at the end of the Pleistocene Epoch about 12,000 years ago, most of them vanished.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Scientists have argued for decades about the cause of their extinction. Now, a study analyzing the ancient bones of a young child who lived in Montana suggests that early Americans hunted mammoths and other giant mammals to oblivion.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">\u201cI was surprised to see things fit so nicely,\u201d said Ben Potter, an archaeologist at the University of Alaska Fairbanks and an author of <a class=\"css-yywogo\" href=\"https:\/\/doi.org\/10.1126\/sciadv.adr3814\" title rel=\"noopener noreferrer\" target=\"_blank\">the new study<\/a>, which was published on Wednesday in the journal Science Advances.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">For decades, most paleontologists blamed the climate for the disappearance of North America\u2019s megafauna. Their extinction coincided with the end of the last ice age, a time when the planet quickly warmed and glaciers retreated northward. The large mammals appeared unable to adapt.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"Dropzone-1\"><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-1\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">But in the 1960s, the American geoscientist <a class=\"css-yywogo\" href=\"https:\/\/timesmachine.nytimes.com\/timesmachine\/1972\/02\/13\/79420067.html?pageNumber=62\" title>Paul Martin<\/a> challenged that hypothesis. The last ice age was part of a cycle of warming and cooling that had lasted for millions of years. Why had the megafauna survived earlier periods of warming, but not this one?<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Martin believed that the difference was people. At the time, researchers were discovering some crucial clues about how humans had spread from Asia across the Bering Land Bridge into North America. They discovered that the oldest known archaeological remains in North America \u2014 stone spearheads known as Clovis points \u2014 dated to the end of the ice age, suggesting that their arrival coincided with the extinctions.<\/p>\n<div class=\"css-1336jj\">\n<div class=\"css-121kum4\">\n<div class=\"css-171d1bw\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F12%2F04%2Fscience%2Fmammoth-extinction-human-hunting.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F12%2F04%2Fscience%2Fmammoth-extinction-human-hunting.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F12%2F04%2Fscience%2Fmammoth-extinction-human-hunting.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F12%2F04%2Fscience%2Fmammoth-extinction-human-hunting.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>A study of a 12,800-year-old skull of a toddler offers a glimpse at how early Americans found food, and how their hunts may have led to a mass extinction.For millions of years, North America was home to a zoo of giants: mammoths and mastodons, camels and dire wolves, sloths the size of elephants and beavers as big as bears. And then, at the end of the Pleistocene Epoch about 12,000 years ago, most of them vanished.Scientists have argued for decades about the cause of their extinction. Now, a study analyzing the ancient bones of a young child who lived in Montana suggests that early Americans hunted mammoths and other giant mammals to oblivion.\u201cI was surprised to see things fit so nicely,\u201d said Ben Potter, an archaeologist at the University of Alaska Fairbanks and an author of the new study, which was published on Wednesday in the journal Science Advances.For decades, most paleontologists blamed the climate for the disappearance of North America\u2019s megafauna. Their extinction coincided with the end of the last ice age, a time when the planet quickly warmed and glaciers retreated northward. The large mammals appeared unable to adapt.But in the 1960s, the American geoscientist Paul Martin challenged that hypothesis. The last ice age was part of a cycle of warming and cooling that had lasted for millions of years. Why had the megafauna survived earlier periods of warming, but not this one?Martin believed that the difference was people. At the time, researchers were discovering some crucial clues about how humans had spread from Asia across the Bering Land Bridge into North America. They discovered that the oldest known archaeological remains in North America \u2014 stone spearheads known as Clovis points \u2014 dated to the end of the ice age, suggesting that their arrival coincided with the extinctions.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0log into\u00a0your Times account, or\u00a0subscribe\u00a0for all of The Times.Thank you for your patience while we verify access.Already a subscriber?\u00a0Log in.Want all of The Times?\u00a0Subscribe.<\/p>\n","protected":false},"author":1,"featured_media":17718,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-17716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"_links":{"self":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/17716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17716"}],"version-history":[{"count":2,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/17716\/revisions"}],"predecessor-version":[{"id":17719,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/17716\/revisions\/17719"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/media\/17718"}],"wp:attachment":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}