{"id":222669,"date":"2025-09-30T04:28:56","date_gmt":"2025-09-30T09:28:56","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/09\/earths-ancient-shield-scientists-crack-the-billion-year-old-mystery-of-the-magnetic-field"},"modified":"2025-09-30T04:28:56","modified_gmt":"2025-09-30T09:28:56","slug":"earths-ancient-shield-scientists-crack-the-billion-year-old-mystery-of-the-magnetic-field","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/09\/earths-ancient-shield-scientists-crack-the-billion-year-old-mystery-of-the-magnetic-field","title":{"rendered":"Earth\u2019s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/earths-ancient-shield-scientists-crack-the-billion-year-old-mystery-of-the-magnetic-field2.jpg\"><\/a><\/p>\n<p>A new model uncovers how Earth\u2019s liquid core has sustained its magnetic field since the planet\u2019s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, p<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new model uncovers how Earth\u2019s liquid core has sustained its magnetic field since the planet\u2019s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, p<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-222669","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/222669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=222669"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/222669\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=222669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=222669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=222669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}