{"id":27355,"date":"2025-08-05T12:43:19","date_gmt":"2025-08-05T10:43:19","guid":{"rendered":"https:\/\/www.bio.uni-mainz.de\/?p=27355"},"modified":"2025-08-07T19:00:07","modified_gmt":"2025-08-07T17:00:07","slug":"dinosaur-teeth-as-time-capsules-of-climate-data","status":"publish","type":"post","link":"https:\/\/www.bio.uni-mainz.de\/en\/2025\/08\/05\/dinosaur-teeth-as-time-capsules-of-climate-data\/","title":{"rendered":"Dinosaur teeth as time capsules of climate data"},"content":{"rendered":"<jgu-base-pageheader react-props=\"{\n    &quot;items&quot;: [\n        {\n            &quot;box&quot;: {\n                &quot;index&quot;: &quot;Puplication in &lt;em&gt;Proceedings of the National Academy of Sciences (PNAS)&lt;\\\/em&gt;&quot;,\n                &quot;title&quot;: &quot;Dinosaur teeth as time capsules of climate data&quot;,\n                &quot;link&quot;: {\n                    &quot;url&quot;: &quot;&quot;,\n                    &quot;title&quot;: &quot;learn more&quot;\n                }\n            },\n            &quot;color&quot;: &quot;default&quot;,\n            &quot;image&quot;: {\n                &quot;url&quot;: &quot;&quot;\n            },\n            &quot;imgCredit&quot;: &quot;&quot;,\n            &quot;useVideo&quot;: false,\n            &quot;video&quot;: false\n        }\n    ],\n    &quot;type&quot;: &quot;border&quot;,\n    &quot;useBreadcrumb&quot;: true,\n    &quot;align&quot;: &quot;full&quot;,\n    &quot;quicklinks&quot;: {\n        &quot;show&quot;: false,\n        &quot;selects&quot;: []\n    }\n}\">\n<\/jgu-base-pageheader><jgu-base-section react-props=\"{&quot;color&quot;:&quot;light&quot;,&quot;align&quot;:&quot;wide&quot;,&quot;padding&quot;:&quot;medium&quot;}\">\n<div class=\"jgu-bgsection bg bg-light\"><div class=\"content padding-medium\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>05\/08\/2025 | <strong>New method to reconstruct carbon dioxide concentrations and global primary production from fossilized tooth enamel<\/strong>.<\/p>\n\n\n\n<p>Using a newly developed method, researchers at the universities of G\u00f6ttingen, Mainz, and Bochum showed that the atmosphere during the Mesozoic era, between 252 and 66 million years ago, contained far more carbon dioxide than it does today. This allowed primary production in terrestrial ecosystems to be approximately twice as high as it is today. <\/p>\n\n\n\n<p>Text: Eva M. Griebeler <br \/>further source: JGU | Press and Public Relations<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<jgu-base-button style=\"display: flex; flex-wrap: wrap; column-gap: 30px; max-width: 100%; flex-direction: row; justify-content: left\">\n  \n<jgu-base-buttonitem react-props=\"{\n    &quot;text&quot;: &quot;Read press release&quot;,\n    &quot;styling&quot;: &quot;default&quot;,\n    &quot;link&quot;: {\n        &quot;url&quot;: &quot;https:\\\/\\\/press.uni-mainz.de\\\/dinosaur-teeth-as-time-capsules-of-climate-data\\\/&quot;,\n        &quot;opensInNewTab&quot;: true\n    },\n    &quot;align&quot;: &quot;left&quot;,\n    &quot;icon&quot;: &quot;arrow-right-solid&quot;,\n    &quot;type&quot;: &quot;default&quot;,\n    &quot;iconBefore&quot;: false,\n    &quot;isSmall&quot;: false,\n    &quot;fullWidth&quot;: false,\n    &quot;className&quot;: &quot;&quot;\n}\"><\/jgu-base-buttonitem>\n\n<\/jgu-base-button>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-bottom is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>Contact us<\/p>\n\n\n<jgu-base-idm-person react-props=\"{\n    &quot;id&quot;: &quot;273&quot;,\n    &quot;link&quot;: &quot;false&quot;,\n    &quot;organizationId&quot;: 1888,\n    &quot;roleId&quot;: 16,\n    &quot;name&quot;: &quot;&quot;,\n    &quot;skipDetails&quot;: [],\n    &quot;align&quot;: &quot;left&quot;,\n    &quot;color&quot;: &quot;default&quot;,\n    &quot;mode&quot;: &quot;edit&quot;,\n    &quot;linkType&quot;: &quot;false&quot;\n}\">\n        \n<\/jgu-base-idm-person>\n\n\n<jgu-base-button style=\"display: flex; 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found at Howe Ranch, Wyoming, USA &quot;,\n    &quot;align&quot;: &quot;&quot;,\n    &quot;hasLightbox&quot;: false,\n    &quot;imgWidth&quot;: 0,\n    &quot;link&quot;: {\n        &quot;url&quot;: &quot;&quot;,\n        &quot;target&quot;: &quot;&quot;,\n        &quot;rel&quot;: &quot;&quot;\n    }\n}\" class=\"align-\">\n    \n<\/jgu-base-image>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n<\/jgu-base-section><jgu-base-singlefooter react-props=\"{\n    &quot;author&quot;: &quot;Anja Slowinski&quot;,\n    &quot;align&quot;: &quot;&quot;,\n    &quot;showAuthor&quot;: false,\n    &quot;showBox&quot;: false,\n    &quot;showTags&quot;: true\n}\" data-prop-tags=\"[{&quot;value&quot;:&quot;puplication-in-proceedings-of-the-national-academy-of-sciences-pnas&quot;,&quot;label&quot;:&quot;Puplication in Proceedings of the National Academy of Sciences (PNAS)&quot;,&quot;count&quot;:1}]\">\n    \n<\/jgu-base-singlefooter>    <div style=\"display: none\">\n        \n    <\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":134,"featured_media":27349,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[360,366,408],"tags":[760],"class_list":["post-27355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-press-releases","category-publications","tag-puplication-in-proceedings-of-the-national-academy-of-sciences-pnas"],"primary_category":{"id":360,"name":"General","slug":"general","parent":0,"breadcrumb":"General"},"media":{},"image":{"url":"https:\/\/cms.zdv.uni-mainz.de\/fb10\/wp-content\/uploads\/sites\/56\/2025\/08\/09_palaeontologie_dinosaurierzaehne_kaatedocus_siberi-scaled.jpg","credit":""},"index":"Puplication in Proceedings of the National Academy of Sciences (PNAS)","assigned_date":"","external_link":"","_links":{"self":[{"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/27355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/users\/134"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/comments?post=27355"}],"version-history":[{"count":3,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/27355\/revisions"}],"predecessor-version":[{"id":27516,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/27355\/revisions\/27516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/media\/27349"}],"wp:attachment":[{"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/media?parent=27355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/categories?post=27355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bio.uni-mainz.de\/en\/wp-json\/wp\/v2\/tags?post=27355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}