{"id":43497,"date":"2026-02-02T17:24:46","date_gmt":"2026-02-02T17:24:46","guid":{"rendered":"https:\/\/naijaglobalnews.org\/?p=43497"},"modified":"2026-02-02T17:24:46","modified_gmt":"2026-02-02T17:24:46","slug":"see-the-sun-expand-and-contract-like-a-pufferfish-januarys-best-science-images","status":"publish","type":"post","link":"https:\/\/naijaglobalnews.org\/?p=43497","title":{"rendered":"See the Sun expand and contract like a pufferfish \u2014 January\u2019s best science images"},"content":{"rendered":"<p>\n<\/p>\n<p class=\"\"><span class=\"Theme-ForegroundColor-8\"><strong>Bio-tooth. <\/strong>These are ameloblasts \u2014 specialized epithelial cells crucial for the formation of tooth enamel. The cells secrete an enamel matrix that mineralizes over time to become as hard as stainless steel. Ameloblasts disappear once the layer has formed, making enamel impossible to repair. This image shows sensory cells called odontoblasts inside the dental pulp. These cells enable the teeth to detect sensations of cold and touch, and form new dentin layers when needed. \u201cResearchers including myself utilize oral-derived stem cells to achieve tooth regeneration, including whole tooth regeneration or replacement, or what we call bio-tooth,\u201d says Shuntaro Yamada, a stem-cell biologist at the University of Bergen, Norway, who took the images.<\/span><\/p>\n<p style=\"font-family:Graphik Nature l Web\" class=\"Theme-TextSize-smallest\"><span class=\"Theme-ForegroundColor-8\">Shuntaro Yamada &amp; Kate\u0159ina Holomkov\u00e1<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bio-tooth. These are ameloblasts \u2014 specialized epithelial cells crucial for the formation of tooth enamel. The cells secrete an enamel matrix that mineralizes over time to become as hard as stainless steel. Ameloblasts disappear once the layer has formed, making enamel impossible to repair. This image shows sensory cells called odontoblasts inside the dental pulp.<\/p>\n","protected":false},"author":1,"featured_media":43498,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[1571,8905,1506,22744,22743,516,2641],"class_list":{"0":"post-43497","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-contract","9":"tag-expand","10":"tag-images","11":"tag-januarys","12":"tag-pufferfish","13":"tag-science","14":"tag-sun"},"_links":{"self":[{"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/posts\/43497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43497"}],"version-history":[{"count":0,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/posts\/43497\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=\/wp\/v2\/media\/43498"}],"wp:attachment":[{"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=43497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naijaglobalnews.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=43497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}