{"id":4101,"date":"2024-06-27T13:57:17","date_gmt":"2024-06-27T13:57:17","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=4101"},"modified":"2024-06-27T13:57:17","modified_gmt":"2024-06-27T13:57:17","slug":"tyrannosaurus-rex-the-king-of-the-tyrant-lizards","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/tyrannosaurus-rex-the-king-of-the-tyrant-lizards\/","title":{"rendered":"Kh\u1ee7ng long b\u1ea1o ch\u00faa: Vua c\u1ee7a c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u1ea1o ch\u00faa v\u00e0 \u0111\u00f4i c\u1eb3ng tay ng\u1eafn c\u1ee7a ch\u00fang"},"content":{"rendered":"

Kh\u1ee7ng long b\u1ea1o ch\u00faa: Vua c\u1ee7a c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u1ea1o ch\u00faa<\/h2>\n\n

\u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh d\u1ea1ng<\/h2>\n\n

Kh\u1ee7ng long b\u1ea1o ch\u00faa (T. rex) l\u00e0 m\u1ed9t lo\u00e0i s\u0103n m\u1ed3i kh\u1ed5ng l\u1ed3 th\u1ed1ng tr\u1ecb Tr\u00e1i \u0111\u1ea5t h\u00e0ng tri\u1ec7u n\u0103m tr\u01b0\u1edbc. Ch\u00fang d\u00e0i kho\u1ea3ng 42 feet v\u00e0 n\u1eb7ng kho\u1ea3ng 7 t\u1ea5n. T. rex c\u00f3 ngo\u1ea1i h\u00ecnh \u0111\u00e1ng s\u1ee3, v\u1edbi h\u00e0m r\u0103ng ch\u1eafc kh\u1ecfe c\u00f3 r\u0103ng d\u00e0i 6 inch. Tuy nhi\u00ean, m\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m k\u1ef3 l\u1ea1 nh\u1ea5t c\u1ee7a ch\u00fang l\u00e0 \u0111\u00f4i c\u1eb3ng tay ng\u1eafn v\u00e0 th\u00f4, ch\u1ec9 d\u00e0i kho\u1ea3ng 3 feet.<\/p>\n\n

B\u00ed \u1ea9n v\u1ec1 \u0111\u00f4i c\u1eb3ng tay ng\u1eafn<\/h2>\n\n

K\u00edch th\u01b0\u1edbc nh\u1ecf c\u1ee7a \u0111\u00f4i c\u1eb3ng tay T. rex \u0111\u00e3 khi\u1ebfn c\u00e1c nh\u00e0 khoa h\u1ecdc b\u1ed1i r\u1ed1i trong nhi\u1ec1u th\u1eadp k\u1ef7. M\u1ed9t s\u1ed1 nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc \u0111\u1ea7u ti\u00ean, nh\u01b0 Henry F. Osborn, \u0111\u00e3 \u0111\u1eb7t c\u00e2u h\u1ecfi li\u1ec7u \u0111\u00f4i c\u1eb3ng tay n\u00e0y c\u00f3 th\u1ef1c s\u1ef1 thu\u1ed9c v\u1ec1 T. rex hay kh\u00f4ng. Ch\u00fang qu\u00e1 ng\u1eafn \u0111\u1ec3 ch\u1ea1m t\u1edbi mi\u1ec7ng ho\u1eb7c g\u00e3i m\u0169i, d\u1eabn \u0111\u1ebfn nhi\u1ec1u suy \u0111o\u00e1n v\u1ec1 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang.<\/p>\n\n

C\u00e1c h\u1ecdc thuy\u1ebft v\u1ec1 ch\u1ee9c n\u0103ng c\u1ee7a c\u1eb3ng tay<\/h2>\n\n

Trong nhi\u1ec1u n\u0103m, c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra nhi\u1ec1u h\u1ecdc thuy\u1ebft kh\u00e1c nhau \u0111\u1ec3 gi\u1ea3i th\u00edch m\u1ee5c \u0111\u00edch c\u1ee7a \u0111\u00f4i c\u1eb3ng tay ng\u1eafn c\u1ee7a T. rex. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi tin r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t “c\u01a1 quan c\u1ea7m n\u1eafm” trong qu\u00e1 tr\u00ecnh giao ph\u1ed1i. Nh\u1eefng ng\u01b0\u1eddi kh\u00e1c cho r\u1eb1ng ch\u00fang gi\u00fap T. rex \u0111\u1ee9ng th\u1eb3ng sau khi ng\u00e3. Nh\u1eefng ng\u01b0\u1eddi kh\u00e1c n\u1eefa l\u1eadp lu\u1eadn r\u1eb1ng ch\u00fang l\u00e0 nh\u1eefng c\u01a1 quan c\u00f2n s\u00f3t l\u1ea1i, t\u00e0n t\u00edch c\u1ee7a qu\u00e1 kh\u1ee9 ti\u1ebfn h\u00f3a.<\/p>\n\n

Gi\u1ea3 thuy\u1ebft v\u1ec1 lo\u00e0i \u0103n x\u00e1c th\u1ed1i<\/h2>\n\n

M\u1ed9t h\u1ecdc thuy\u1ebft \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u1ee7ng h\u1ed9 l\u00e0 \u00fd ki\u1ebfn cho r\u1eb1ng T. rex ch\u1ee7 y\u1ebfu l\u00e0 lo\u00e0i \u0103n x\u00e1c th\u1ed1i ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 lo\u00e0i s\u0103n m\u1ed3i. \u0110\u00f4i c\u1eb3ng tay nh\u1ecf b\u00e9 c\u1ee7a ch\u00fang s\u1ebd khi\u1ebfn ch\u00fang kh\u00f3 c\u00f3 th\u1ec3 b\u1eaft v\u00e0 khu\u1ea5t ph\u1ee5c con m\u1ed3i. Thay v\u00e0o \u0111\u00f3, T. rex c\u00f3 th\u1ec3 \u0111\u00e3 t\u00ecm ki\u1ebfm x\u00e1c ch\u1ebft do nh\u1eefng lo\u00e0i s\u0103n m\u1ed3i kh\u00e1c \u0111\u1ec3 l\u1ea1i.<\/p>\n\n

Gi\u1ea3 thuy\u1ebft v\u1ec1 lo\u00e0i s\u0103n m\u1ed3i<\/h2>\n\n

Tuy nhi\u00ean, c\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u00e3 th\u00e1ch th\u1ee9c gi\u1ea3 thuy\u1ebft v\u1ec1 lo\u00e0i \u0103n x\u00e1c th\u1ed1i. C\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc Kenneth Carpenter v\u00e0 Matt Smith \u0111\u00e3 ti\u1ebfn h\u00e0nh c\u00e1c nghi\u00ean c\u1ee9u ti\u1ebft l\u1ed9 r\u1eb1ng \u0111\u00f4i c\u1eb3ng tay c\u1ee7a T. rex, m\u1eb7c d\u00f9 ng\u1eafn, nh\u01b0ng l\u1ea1i c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd. C\u00e1c c\u01a1 \u1edf ph\u1ea7n tr\u00ean c\u1eb3ng tay m\u1ea1nh g\u1ea5p ba l\u1ea7n so v\u1edbi c\u01a1 \u1edf ng\u01b0\u1eddi.<\/p>\n\n

Carpenter v\u00e0 Smith cho r\u1eb1ng T. rex s\u1eed d\u1ee5ng h\u00e0m r\u0103ng kh\u1ecfe c\u1ee7a m\u00ecnh \u0111\u1ec3 t\u00f3m l\u1ea5y con m\u1ed3i, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u1eb3ng tay \u0111\u1ec3 gi\u1eef ch\u1eb7t con v\u1eadt \u0111ang v\u00f9ng v\u1eaby v\u00e0o c\u01a1 th\u1ec3, ng\u0103n kh\u00f4ng cho n\u00f3 tr\u1ed1n tho\u00e1t. H\u1ecdc thuy\u1ebft n\u00e0y cho th\u1ea5y r\u1eb1ng T. rex th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t lo\u00e0i s\u0103n m\u1ed3i l\u00e0nh ngh\u1ec1, c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c k\u00edch v\u00e0 khu\u1ea5t ph\u1ee5c nh\u1eefng con m\u1ed3i l\u1edbn.<\/p>\n\n

Ch\u1ebf \u0111\u1ed9 \u0103n v\u00e0 h\u00e0nh vi s\u0103n m\u1ed3i<\/h2>\n\n

M\u1eb7c d\u00f9 T. rex ch\u1ee7 y\u1ebfu l\u00e0 lo\u00e0i s\u0103n m\u1ed3i, nh\u01b0ng ch\u00fang c\u0169ng c\u00f3 th\u1ec3 \u0103n x\u00e1c th\u1ed1i khi c\u00f3 c\u01a1 h\u1ed9i. Ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a ch\u00fang bao g\u1ed3m nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng v\u1eadt, bao g\u1ed3m c\u1ea3 \u0111\u1ed9ng v\u1eadt \u0103n c\u1ecf nh\u01b0 Triceratops v\u00e0 Hadrosaurs. T. rex c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u0103n m\u1ed3i \u0111\u1ed9c \u0111\u00e1o. Ch\u00fang s\u1ebd r\u00ecnh r\u1eadp con m\u1ed3i c\u1ee7a m\u00ecnh v\u00e0 sau \u0111\u00f3 ph\u1ee5c k\u00edch ch\u00fang b\u1eb1ng m\u1ed9t c\u00fa c\u1eafn m\u1ea1nh v\u00e0o c\u1ed5 ho\u1eb7c \u0111\u1ea7u. Nh\u1eefng chi\u1ebfc r\u0103ng s\u1eafc nh\u1ecdn c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 nghi\u1ec1n n\u00e1t x\u01b0\u01a1ng v\u00e0 x\u00e9 th\u1ecbt, gi\u00fap ch\u00fang nhanh ch\u00f3ng khu\u1ea5t ph\u1ee5c n\u1ea1n nh\u00e2n.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00f3 \u0111\u00f4i c\u1eb3ng tay ng\u1eafn, nh\u01b0ng Kh\u1ee7ng long b\u1ea1o ch\u00faa l\u00e0 m\u1ed9t lo\u00e0i s\u0103n m\u1ed3i \u0111\u00e1ng g\u1eddm th\u1ed1ng tr\u1ecb m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a ch\u00fang. H\u00e0m r\u0103ng ch\u1eafc kh\u1ecfe, \u0111\u00f4i c\u1eb3ng tay kh\u1ecfe m\u1ea1nh v\u00e0 chi\u1ebfn thu\u1eadt s\u0103n m\u1ed3i hung h\u00e3n \u0111\u00e3 bi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng sinh v\u1eadt mang t\u00ednh bi\u1ec3u t\u01b0\u1ee3ng v\u00e0 \u0111\u00e1ng s\u1ee3 nh\u1ea5t trong l\u1ecbch s\u1eed Tr\u00e1i \u0111\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

Kh\u1ee7ng long b\u1ea1o ch\u00faa: Vua c\u1ee7a c\u00e1c lo\u00e0i th\u1eb1n l\u1eb1n b\u1ea1o ch\u00faa \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh d\u1ea1ng Kh\u1ee7ng long b\u1ea1o ch\u00faa (T. rex) l\u00e0 m\u1ed9t lo\u00e0i s\u0103n m\u1ed3i kh\u1ed5ng l\u1ed3 th\u1ed1ng…<\/p>\n","protected":false},"author":1,"featured_media":23754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,140,239,134,664,141,136],"class_list":["post-4101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-paleontology","tag-prehistoric-animals","tag-fossils","tag-dinosaurs","tag-tyrannosaurus-rex","tag-natural-history","tag-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=4101"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4101\/revisions"}],"predecessor-version":[{"id":4102,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4101\/revisions\/4102"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23754"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=4101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=4101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=4101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}