C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00e1i t\u1ea1o l\u1ea1i b\u1ed9 n\u00e3o c\u1ee7a m\u1ed9t lo\u00e0i kh\u1ee7ng long th\u1eddi k\u1ef3 \u0111\u1ea7u, Buriolestes schultzi<\/em>, nh\u1edd v\u00e0o vi\u1ec7c ph\u00e1t hi\u1ec7n ra m\u1ed9t h\u00f3a th\u1ea1ch c\u00f3 h\u1ed9p s\u1ecd \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t m\u1ed9t c\u00e1ch kh\u00e1c th\u01b0\u1eddng. H\u1ed9p s\u1ecd n\u00e0y thu\u1ed9c v\u1ec1 m\u1ed9t lo\u00e0i \u0103n th\u1ecbt c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng c\u00e1o, s\u1ed1ng \u1edf v\u00f9ng \u0111\u1ea5t ng\u00e0y nay l\u00e0 Brazil c\u00e1ch \u0111\u00e2y kho\u1ea3ng 230 tri\u1ec7u n\u0103m.<\/p>\n\n S\u1eed d\u1ee5ng ch\u1ee5p c\u1eaft l\u1edbp vi t\u00ednh (CT), c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 c\u00f3 th\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 h\u00ecnh d\u1ea1ng c\u1ee7a h\u1ed9p s\u1ecd v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1ch b\u1ed9 n\u00e3o n\u1eb1m v\u1eeba v\u1eb7n b\u00ean trong. C\u00e1c chi ti\u1ebft v\u1ec1 h\u00ecnh d\u1ea1ng h\u1ed9p s\u1ecd cung c\u1ea5p manh m\u1ed1i v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c c\u1ea5u tr\u00fac n\u00e3o kh\u00e1c nhau.<\/p>\n\n B\u1ed9 n\u00e3o c\u1ee7a Buriolestes<\/em> c\u00f3 c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u1ee7a c\u00e1 s\u1ea5u, v\u1edbi m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 d\u00e0nh ri\u00eang cho vi\u1ec7c x\u1eed l\u00fd th\u1ecb gi\u00e1c v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i \u00edt cho kh\u1ee9u gi\u00e1c. \u0110\u1ec3 so s\u00e1nh, m\u1ed9t con c\u00e1o c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 c\u00f3 b\u1ed9 n\u00e3o l\u1edbn h\u01a1n nhi\u1ec1u, n\u1eb7ng 53 gram so v\u1edbi 1,5 gram c\u1ee7a Buriolestes<\/em>.<\/p>\n\n Theo th\u1eddi gian, con ch\u00e1u c\u1ee7a Buriolestes<\/em> \u0111\u00e3 ti\u1ebfn h\u00f3a th\u00e0nh nh\u1eefng lo\u00e0i sauropod \u0103n th\u1ef1c v\u1eadt kh\u1ed5ng l\u1ed3. Trong khi nh\u1eefng con kh\u1ee7ng long ph\u00e1t tri\u1ec3n to l\u1edbn h\u01a1n, nh\u01b0ng b\u1ed9 n\u00e3o c\u1ee7a ch\u00fang kh\u00f4ng theo k\u1ecbp. C\u00e1c lo\u00e0i sauropod nh\u01b0 Brontosaurus<\/em> ch\u1ec9 c\u00f3 b\u1ed9 n\u00e3o ch\u1ec9 b\u1eb1ng k\u00edch th\u01b0\u1edbc c\u1ee7a qu\u1ea3 b\u00f3ng tennis, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3 l\u00ean \u0111\u1ebfn 100 t\u1ea5n v\u00e0 chi\u1ec1u d\u00e0i 110 feet. Xu h\u01b0\u1edbng n\u00e0y l\u00e0 b\u1ea5t th\u01b0\u1eddng, v\u00ec qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a th\u01b0\u1eddng \u01b0u ti\u00ean b\u1ed9 n\u00e3o l\u1edbn h\u01a1n theo th\u1eddi gian.<\/p>\n\n Nghi\u00ean c\u1ee9u m\u1edbi c\u0169ng ti\u1ebft l\u1ed9 nh\u1eefng thay \u0111\u1ed5i trong c\u1ea5u tr\u00fac n\u00e3o gi\u1eefa Buriolestes<\/em> v\u00e0 sauropod. Trong khi Buriolestes<\/em> c\u00f3 c\u00e1c b\u00f3ng kh\u1ee9u gi\u00e1c nh\u1ecf, th\u00ec sauropod l\u1ea1i c\u00f3 c\u00e1c b\u00f3ng kh\u1ee9u gi\u00e1c l\u1edbn, cho th\u1ea5y kh\u1ee9u gi\u00e1c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n theo th\u1eddi gian. S\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c h\u00e0nh vi x\u00e3 h\u1ed9i ph\u1ee9c t\u1ea1p h\u01a1n ho\u1eb7c kh\u1ea3 n\u0103ng ki\u1ebfm \u0103n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u suy \u0111o\u00e1n r\u1eb1ng x\u1eed l\u00fd th\u1ecb gi\u00e1c r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Buriolestes<\/em> v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t th\u1ee3 s\u0103n, v\u00ec n\u00f3 c\u1ea7n ph\u1ea3i l\u1ea7n theo con m\u1ed3i v\u00e0 tr\u00e1nh c\u00e1c lo\u00e0i \u0103n th\u1ecbt l\u1edbn h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c lo\u00e0i sauropod, ch\u1ec9 \u0103n th\u1ef1c v\u1eadt, \u00edt c\u1ea7n th\u1ecb l\u1ef1c nh\u1ea1y b\u00e9n h\u01a1n. C\u00e1c lo\u00e0i kh\u1ee7ng long \u0103n th\u1ecbt sau n\u00e0y, nh\u01b0 kh\u1ee7ng long ch\u00e2n th\u1eb1n l\u1eb1n v\u00e0 Tyrannosaurus rex<\/em>, c\u00f3 b\u1ed9 n\u00e3o l\u1edbn h\u01a1n Buriolestes<\/em>, ph\u1ea3n \u00e1nh c\u00e1c chi\u1ebfn l\u01b0\u1ee3c s\u0103n m\u1ed3i ti\u00ean ti\u1ebfn h\u01a1n c\u1ee7a ch\u00fang.<\/p>\n\n Nghi\u00ean c\u1ee9u m\u1edbi cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft qu\u00fd gi\u00e1 v\u1ec1 s\u1ef1 ti\u1ebfn h\u00f3a ban \u0111\u1ea7u c\u1ee7a b\u1ed9 n\u00e3o kh\u1ee7ng long v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1c quan. Nghi\u00ean c\u1ee9u n\u00e0y l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c h\u1ed9p s\u1ecd kh\u1ee7ng long \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong nghi\u00ean c\u1ee9u v\u1ec1 n\u00e3o v\u00e0 l\u00e0m s\u00e1ng t\u1ecf m\u1ed1i quan h\u1ec7 gi\u1eefa k\u00edch th\u01b0\u1edbc n\u00e3o, k\u00edch th\u01b0\u1edbc c\u01a1 th\u1ec3 v\u00e0 h\u00e0nh vi \u1edf nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt ti\u1ec1n s\u1eed n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":" Nghi\u00ean c\u1ee9u m\u1edbi t\u00e1i t\u1ea1o b\u1ed9 n\u00e3o c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng h\u1ea1t \u0111\u1eadu c\u1ee7a kh\u1ee7ng long Ph\u00e1t hi\u1ec7n h\u1ed9p s\u1ecd \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00e1i…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[239,1579,134,99,136],"class_list":["post-2495","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-fossils","tag-neuroscience","tag-dinosaurs","tag-lifescienceart","tag-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2495","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=2495"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2495\/revisions"}],"predecessor-version":[{"id":2496,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/2495\/revisions\/2496"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=2495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=2495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=2495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Ch\u1ee5p CT qu\u00e9t cho th\u1ea5y c\u1ea5u tr\u00fac n\u00e3o<\/h2>\n\n
So s\u00e1nh v\u1edbi c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt hi\u1ec7n \u0111\u1ea1i<\/h2>\n\n
S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a b\u1ed9 n\u00e3o kh\u1ee7ng long<\/h2>\n\n
C\u00e1c th\u00edch nghi v\u1ec1 gi\u00e1c quan<\/h2>\n\n
Th\u1ecb gi\u00e1c v\u00e0 kh\u1ea3 n\u0103ng l\u1ea7n theo con m\u1ed3i<\/h2>\n\n
\u00dd ngh\u0129a c\u1ee7a kh\u00e1m ph\u00e1<\/h2>\n\n