{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwakari-times.com%2Fentry%2F2025%2F07%2F22%2F160106\" title=\"3000\u5e74\u524d\u306e\u53e4\u4ee3\u907a\u7269\u304b\u3089\u5224\u660e\uff01\u5730\u7403\u78c1\u5834\u306e\u300c\u7570\u5e38\u300d\u304c\u73fe\u4ee3\u885b\u661f\u793e\u4f1a\u306e\u30ea\u30b9\u30af\u7ba1\u7406\u306b\u9375\uff1f - \u30ef\u30ab\u30ea\u30bf\u30a4\u30e0\u30ba\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/w/wakari_times/20250720/20250720193114.jpg","title":"3000\u5e74\u524d\u306e\u53e4\u4ee3\u907a\u7269\u304b\u3089\u5224\u660e\uff01\u5730\u7403\u78c1\u5834\u306e\u300c\u7570\u5e38\u300d\u304c\u73fe\u4ee3\u885b\u661f\u793e\u4f1a\u306e\u30ea\u30b9\u30af\u7ba1\u7406\u306b\u9375\uff1f","categories":["science","\u5730\u78c1\u6c17","\u8003\u53e4\u5730\u78c1\u6c17\u5b66","\u30ec\u30d0\u30f3\u30bf\u30a4\u30f3\u9244\u5668\u6642\u4ee3\u7570\u5e38","\u5b87\u5b99\u653e\u5c04\u7dda","\u5730\u7403\u5185\u90e8"],"blog_title":"\u30ef\u30ab\u30ea\u30bf\u30a4\u30e0\u30ba","author_name":"wakari_times","provider_name":"Hatena Blog","description":"\u79c1\u305f\u3061\u306e\u66ae\u3089\u3057\u306f\u3001\u5730\u7403\u3092\u8986\u3046\u898b\u3048\u306a\u3044\u30d0\u30ea\u30a2\u300c\u5730\u78c1\u6c17\u300d\u306b\u3088\u3063\u3066\u3001\u6709\u5bb3\u306a\u5b87\u5b99\u653e\u5c04\u7dda\u304b\u3089\u5b88\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u78c1\u5834\u306f\u6c7a\u3057\u3066\u4e0d\u5909\u3067\u306f\u306a\u304f\u3001\u5e38\u306b\u305d\u306e\u5f37\u3055\u3084\u5411\u304d\u3092\u5909\u5316\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u6700\u8fd1\u3001\u3053\u306e\u5e38\u8b58\u3092\u8986\u3059\u3088\u3046\u306a\u9a5a\u304d\u306e\u767a\u898b\u304c\u3001\u79d1\u5b66\u30cb\u30e5\u30fc\u30b9\u30e1\u30c7\u30a3\u30a2Live Science\u306e\u300cEarth's magnetic field is weakening \u2014 magnetic crystals from lost civilizations could hold the key to understanding why\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3067\u5831\u3058\u3089\u308c\u307e\u3057\u305f\u3002 \u4eca\u304b\u3089\u7d043000\u5e74\u524d\u306e\u4e2d\u6771\u5730\u57df\u3067\u3001\u5730\u7403\u306e\u78c1\u5834\u304c\u304b\u3064\u3066\u306a\u3044\u307b\u3069\u6fc0\u3057\u304f\u5909\u2026","url":"https://wakari-times.com/entry/2025/07/22/160106","blog_url":"https://wakari-times.com/","author_url":"https://blog.hatena.ne.jp/wakari_times/","width":"100%","published":"2025-07-22 16:01:06","height":"190","version":"1.0","type":"rich"}