{"id":990,"date":"2026-07-30T13:39:00","date_gmt":"2026-07-30T04:39:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-30-early-cambrian-cephalopod-vi\/"},"modified":"2026-07-30T13:39:00","modified_gmt":"2026-07-30T04:39:00","slug":"2026-07-30-early-cambrian-cephalopod-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-30-early-cambrian-cephalopod-vi\/","title":{"rendered":"\u201cT\u00e0u ng\u1ea7m\u201d c\u1ee7a h\u1ecd h\u00e0ng xa b\u1ea1ch tu\u1ed9c b\u1eaft \u0111\u1ea7u t\u1eeb v\u00e0i milim\u00e9t?"},"content":{"rendered":"

2026-07-30 13:39 KST<\/strong><\/p>\n

M\u1ed9t h\u00f3a th\u1ea1ch d\u00e0i v\u00e0i milim\u00e9t thu\u1ed9c nh\u00e1nh h\u1ecd h\u00e0ng r\u1ea5t xa c\u1ee7a b\u1ea1ch tu\u1ed9c v\u00e0 m\u1ef1c gi\u1eef l\u1ea1i c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 t\u1eebng \u0111i\u1ec1u ch\u1ec9nh s\u1ee9c n\u1ed5i.<\/p>\n

\u0110\u00e2y l\u00e0 \u1ee9ng vi\u00ean \u0111\u1ed9ng v\u1eadt ch\u00e2n \u0111\u1ea7u s\u1edbm nh\u1ea5t, kh\u00f4ng ph\u1ea3i t\u1ed5 ti\u00ean tr\u1ef1c ti\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh c\u1ee7a b\u1ea1ch tu\u1ed9c hay m\u1ed9t h\u1ec7 th\u1ed1ng l\u1eb7n ho\u00e0n ch\u1ec9nh.<\/p>\n

\u0110\u00e3 t\u00ecm th\u1ea5y g\u00ec?<\/h2>\n

Nh\u00f3m nghi\u00ean c\u1ee9u m\u00f4 t\u1ea3 Eoceras shaanxiense t\u1eeb l\u1edbp \u0111\u00e1 \u0111\u1ea7u k\u1ef7 Cambri \u1edf mi\u1ec1n nam Trung Qu\u1ed1c. V\u1ecf th\u1eb3ng h\u00ecnh n\u00f3n c\u1ee7a n\u00f3 ch\u1ec9 d\u00e0i v\u00e0i milim\u00e9t.<\/p>\n

K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed v\u00e0 ch\u1ee5p micro-CT \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao cho th\u1ea5y nhi\u1ec1u v\u00e1ch ng\u0103n t\u1ea1o th\u00e0nh c\u00e1c khoang. M\u1ed9t \u1ed1ng m\u1ea3nh g\u1ea7n m\u00e9p v\u1ecf c\u0169ng n\u1ed1i c\u00e1c khoang n\u00e0y.<\/p>\n

V\u00ec sao v\u00ed n\u00f3 nh\u01b0 t\u00e0u ng\u1ea7m nh\u1ecf?<\/h2>\n

\u1ed0c anh v\u0169 ng\u00e0y nay n\u1ed5i l\u00ean ho\u1eb7c ch\u00ecm xu\u1ed1ng b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed trong c\u00e1c khoang v\u1ecf. M\u1ed9t d\u1ea3i m\u00f4 m\u1ea3nh g\u1ecdi l\u00e0 \u1ed1ng siphuncle h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh \u0111\u00f3.<\/p>\n

\u1ed0ng c\u1ee7a Eoceras d\u01b0\u1eddng nh\u01b0 n\u1ed1i c\u00e1c khoang qua nh\u1eefng l\u1ed7 r\u1ea5t nh\u1ecf. Nh\u00f3m nghi\u00ean c\u1ee9u xem \u0111\u00e2y l\u00e0 \u1ee9ng vi\u00ean siphuncle nguy\u00ean th\u1ee7y, m\u1ed9t giai \u0111o\u1ea1n s\u1edbm c\u1ee7a c\u00f9ng nguy\u00ean l\u00fd.<\/p>\n

\"H\u00ecnh
H\u00ecnh ph\u1ee5c d\u1ef1ng gi\u1ea3i th\u00edch do ONEPRESS t\u1ea1o: minh h\u1ecda c\u00e1c khoang v\u00e0 \u1ed1ng \u1edf r\u00eca v\u1ecf Eoceras, kh\u00f4ng ph\u1ea3i \u1ea3nh th\u1eadt hay h\u00ecnh d\u1ea1ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn.<\/figcaption><\/figure>\n

V\u00ec sao li\u00ean h\u1ec7 v\u1edbi b\u1ea1ch tu\u1ed9c?<\/h2>\n

B\u1ea1ch tu\u1ed9c, m\u1ef1c, m\u1ef1c nang v\u00e0 \u1ed1c anh v\u0169 \u0111\u1ec1u l\u00e0 \u0111\u1ed9ng v\u1eadt ch\u00e2n \u0111\u1ea7u. \u1ede h\u00f3a th\u1ea1ch c\u1ed5, v\u1ecf chia khoang \u0111i c\u00f9ng \u1ed1ng n\u1ed1i c\u00e1c khoang l\u00e0 d\u1ea5u hi\u1ec7u quan tr\u1ecdng c\u1ee7a nh\u00f3m n\u00e0y.<\/p>\n

C\u00e1c h\u00f3a th\u1ea1ch ch\u00e2n \u0111\u1ea7u \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i tr\u01b0\u1edbc \u0111\u00e2y xu\u1ea5t hi\u1ec7n \u1edf cu\u1ed1i k\u1ef7 Cambri. N\u1ebfu c\u00e1ch gi\u1ea3i th\u00edch m\u1edbi \u0111\u00fang, nh\u00e1nh n\u00e0y \u0111\u00e3 c\u00f3 t\u1eeb \u0111\u1ea7u k\u1ef7 Cambri.<\/p>\n

N\u00f3 c\u00f3 b\u01a1i nh\u01b0 m\u1ef1c kh\u00f4ng?<\/h2>\n

Ch\u01b0a th\u1ec3 k\u1ebft lu\u1eadn. C\u1ea5u tr\u00fac v\u1ecf g\u1ee3i \u00fd kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh s\u1ee9c n\u1ed5i, nh\u01b0ng kh\u00f4ng ch\u1ee9ng minh n\u00f3 b\u01a1i nhanh, phun n\u01b0\u1edbc hay \u0111u\u1ed5i theo con m\u1ed3i.<\/p>\n

\u201cT\u00e0u ng\u1ea7m\u201d ch\u1ec9 l\u00e0 ph\u00e9p so s\u00e1nh v\u1ec1 nguy\u00ean l\u00fd v\u1eadt l\u00fd. Nghi\u00ean c\u1ee9u ph\u00e2n t\u00edch c\u1ea5u t\u1ea1o h\u00f3a th\u1ea1ch ch\u1ee9 kh\u00f4ng quan s\u00e1t con v\u1eadt chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n

\u0110i\u1ec1u g\u00ec v\u1eabn ch\u01b0a ch\u1eafc ch\u1eafn?<\/h2>\n

Siphuncle c\u1ee7a \u0111\u1ed9ng v\u1eadt ch\u00e2n \u0111\u1ea7u hi\u1ec7n \u0111\u1ea1i l\u00e0 m\u1ed9t \u1ed1ng li\u00ean t\u1ee5c, c\u00f2n \u1ed1ng trong h\u00f3a th\u1ea1ch n\u00e0y b\u1ecb chia th\u00e0nh c\u00e1c \u0111o\u1ea1n. V\u00ec v\u1eady b\u00e0i b\u00e1o ch\u1ec9 g\u1ecdi n\u00f3 l\u00e0 \u1ee9ng vi\u00ean siphuncle nguy\u00ean th\u1ee7y.<\/p>\n

C\u1ea7n th\u00eam h\u00f3a th\u1ea1ch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed ch\u00ednh x\u00e1c tr\u00ean c\u00e2y ti\u1ebfn h\u00f3a. K\u1ebft qu\u1ea3 ch\u1eafc nh\u1ea5t l\u00e0 h\u00ecnh \u1ea3nh v\u1ec1 giai \u0111o\u1ea1n r\u1ea5t s\u1edbm khi h\u1ec7 v\u1ecf \u0111i\u1ec1u ch\u1ec9nh s\u1ee9c n\u1ed5i \u0111ang h\u00ecnh th\u00e0nh.<\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p ch\u00ednh th\u1ee9c<\/h2>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p: Nature original research article<\/a><\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p: Dryad micro-CT dataset and methods<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

H\u00f3a th\u1ea1ch \u0111\u1ea7u k\u1ef7 Cambri \u1edf Trung Qu\u1ed1c c\u00f3 v\u1ecf chia khoang v\u00e0 m\u1ed9t \u1ed1ng nguy\u00ean th\u1ee7y c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh s\u1ee9c n\u1ed5i.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-990","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}