{"id":1865,"date":"2026-05-04T19:00:00","date_gmt":"2026-05-04T19:00:00","guid":{"rendered":"https:\/\/rjbarrett.redirectme.net\/?p=1865"},"modified":"2026-05-04T19:00:00","modified_gmt":"2026-05-04T19:00:00","slug":"%e3%82%b0%e3%83%aa%e3%83%bc%e3%83%b3%e3%83%a9%e3%83%b3%e3%83%89%e3%82%b5%e3%83%a1%e3%81%ae%e5%bf%83%e8%87%93%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%81%97%e3%81%a6%e4%bd%95%e4%b8%96","status":"publish","type":"post","link":"https:\/\/rjbarrett.redirectme.net\/?p=1865","title":{"rendered":"\u30b0\u30ea\u30fc\u30f3\u30e9\u30f3\u30c9\u30b5\u30e1\u306e\u5fc3\u81d3\u306f\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u4f55\u4e16\u7d00\u306b\u3082\u308f\u305f\u3063\u3066\u9f13\u52d5\u3057\u7d9a\u3051\u308b\u306e\u304b"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div>\n<div class=\"article_date_and_read_time-hPdNV\">\n<p class=\"article_pub_date-zPFpJ\">2026 \u5e74 5 \u6708 4 \u65e5<\/p>\n<p class=\"article_read_time-ZYXEi\">3<!-- --> 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alt=\"Google\u306e\u30ed\u30b4\"\/> <span class=\"google_cta_text-ykyUj\"><span class=\"google_cta_text_desktop-wtvUj\">Google \u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044<\/span><span class=\"google_cta_text_mobile-jmni9\">\u30b5\u30a4\u30a2\u30e0\u3092\u8ffd\u52a0<\/span><\/span><span class=\"google_cta_icon-pdHW3\"\/><\/div>\n<p>\u30b0\u30ea\u30fc\u30f3\u30e9\u30f3\u30c9\u30b5\u30e1\u306f\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u4f55\u4e16\u7d00\u306b\u3082\u308f\u305f\u3063\u3066\u5fc3\u81d3\u3092\u9f13\u52d5\u3055\u305b\u7d9a\u3051\u308b\u306e\u304b<\/p>\n<div class=\"article_dek-vct0y\">\n<p>\u30b0\u30ea\u30fc\u30f3\u30e9\u30f3\u30c9\u30b5\u30e1\u306f1\u4e16\u7d00\u4ee5\u4e0a\u6b63\u5e38\u306b\u6a5f\u80fd\u3059\u308b\u5fc3\u81d3\u3092\u6301\u3063\u3066\u3044\u308b<\/p>\n<\/div>\n<p class=\"article_authors-ZdsD4\">\u30b8\u30fc\u30ca\u30fb\u30d6\u30e9\u30a4\u30ca\u30fc\u8457 <span class=\"article_editors__links-aMTdN\">\u30af\u30ec\u30a2\u30fb\u30ad\u30e3\u30e1\u30ed\u30f3\u7de8\u96c6<\/span><\/p>\n<figure class=\"lead_image-Hfr4j\"><img decoding=\"async\" src=\"https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=600\" alt=\"\u6c37\u306e\u4e0b\u3067\u30b0\u30ea\u30fc\u30f3\u30e9\u30f3\u30c9\u30b6\u30e1\u304c\u30ab\u30e1\u30e9\u306b\u5411\u304b\u3063\u3066\u6cf3\u3044\u3067\u3044\u308b\u306e\u304c\u898b\u3089\u308c\u307e\u3059\u3002\" srcset=\"https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=600 600w, https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=900 900w, https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=1000 1000w, https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=1200 1200w, https:\/\/static.scientificamerican.com\/dam\/asset\/3aa5df09-5b72-4677-93f5-70580628a662\/B8C6J6-greenland-shark-alamy.jpeg?m=1777913335.333&amp;w=1350 1350w\" sizes=\"(min-width: 900px) 900px, (min-resolution: 2dppx) 75vw, (min-resolution: 2.1dppx) 50vw, 100vw\" class=\"lead_image__img-xKODG\" style=\"--w:2400;--h:1600\" fetchpriority=\"high\"\/><figcaption class=\"lead_image__figcaption-jJomN\">\n<div class=\"lead_image__caption-JqwLg\">\n<p>\u30ab\u30ca\u30c0\u5317\u6975\u306e\u30d0\u30d5\u30a3\u30f3\u5cf6\u6c96\u3067\u3001\u30aa\u30aa\u30e1\u30b8\u30ed\u30b6\u30e1\u304c\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/div>\n<div>\n<p 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