{"id":55982,"date":"2021-10-27T17:27:27","date_gmt":"2021-10-27T17:27:27","guid":{"rendered":"https:\/\/baleinesendirect.org\/remonter-le-temps-grace-a-la-defense-du-narval\/"},"modified":"2021-11-02T19:44:02","modified_gmt":"2021-11-02T19:44:02","slug":"travelling-back-in-time-with-a-narwhal-tusk","status":"publish","type":"post","link":"https:\/\/baleinesendirect.org\/en\/travelling-back-in-time-with-a-narwhal-tusk\/","title":{"rendered":"Travelling back in time with a narwhal tusk"},"content":{"rendered":"<p>The tusk of the <a href=\"https:\/\/www.hww.ca\/en\/wildlife\/mammals\/narwhal.html\" target=\"_blank\" rel=\"noopener\">narwhal<\/a> \u2013 a long spiral-shaped tooth that can measure nearly 3 metres long \u2013 makes a lasting impression. But it is also an invaluable resource of long-term data to better understand the ecology of this \u201cunicorn of the sea.\u201d By analyzing this oversized tooth, researchers at McGill University in Montr\u00e9al and Aarhus\u00a0 University in Denmark were able to learn more about narwhals\u2019 diets and their exposure to chemical pollutants. <em>Whales Online<\/em> takes a look at this amazing research technique and what it can tell us about these unicorns of the Arctic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tusk of the narwhal \u2013 a long spiral-shaped tooth that can measure nearly 3 metres long \u2013 makes a lasting impression. But it is also an invaluable resource of long-term data to better understand the ecology of this \u201cunicorn of the sea.\u201d By analyzing this oversized tooth, researchers at McGill University in Montr\u00e9al and [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":55910,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[18],"tags":[1718,1719,490],"class_list":["post-55982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-dent-en","tag-mercure-en","tag-narval-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Travelling back in time with a narwhal tusk - Baleines en direct<\/title>\n<meta name=\"description\" content=\"The tusk of the narwhal \u2013 a long spiral-shaped tooth that can measure nearly 3 metres long \u2013 makes a lasting impression. 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But it is also an invaluable\" \/>\n<meta property=\"og:url\" content=\"https:\/\/baleinesendirect.org\/en\/travelling-back-in-time-with-a-narwhal-tusk\/\" \/>\n<meta property=\"og:site_name\" content=\"Baleines en direct\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/baleinesendirect\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-27T17:27:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-02T19:44:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/baleinesendirect.org\/wp-content\/uploads\/2021\/10\/thumbnail_DSC_3912.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"850\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marika Drouin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@BaleineMagazine\" \/>\n<meta name=\"twitter:site\" content=\"@BaleineMagazine\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marika Drouin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/\"},\"author\":{\"name\":\"Marika Drouin\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#\\\/schema\\\/person\\\/32a57fdd36952fd5e01824b756ace370\"},\"headline\":\"Travelling back in time with a narwhal tusk\",\"datePublished\":\"2021-10-27T17:27:27+00:00\",\"dateModified\":\"2021-11-02T19:44:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/\"},\"wordCount\":101,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/thumbnail_DSC_3912.jpg\",\"keywords\":[\"dent\",\"mercure\",\"narval\"],\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/\",\"url\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/\",\"name\":\"Travelling back in time with a narwhal tusk - Baleines en direct\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/baleinesendirect.org\\\/en\\\/travelling-back-in-time-with-a-narwhal-tusk\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/baleinesendirect.org\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/thumbnail_DSC_3912.jpg\",\"datePublished\":\"2021-10-27T17:27:27+00:00\",\"dateModified\":\"2021-11-02T19:44:02+00:00\",\"description\":\"The tusk of the narwhal \u2013 a long spiral-shaped tooth that can measure nearly 3 metres long \u2013 makes a lasting impression. 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