{"id":15482,"date":"2020-06-24T14:35:15","date_gmt":"2020-06-24T14:35:15","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15482"},"modified":"2020-06-24T14:35:15","modified_gmt":"2020-06-24T14:35:15","slug":"ancient-saber-toothed-ants-oldest-in-world","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/paleontology\/ancient-saber-toothed-ants-oldest-in-world\/","title":{"rendered":"Ancient Saber-Toothed Ants: Uncovering the Oldest True Ants in the World"},"content":{"rendered":"

Ki\u1ebfn r\u0103ng ki\u1ebfm th\u1eddi ti\u1ec1n s\u1eed: M\u1ed9t trong nh\u1eefng lo\u00e0i ki\u1ebfn c\u1ed5 nh\u1ea5t th\u1ebf gi\u1edbi<\/h2>\n\n

Ph\u00e1t hi\u1ec7n ki\u1ebfn \u0111\u1ecba ng\u1ee5c trong h\u1ed5 ph\u00e1ch<\/h2>\n\n

Trong c\u00e1c l\u1edbp h\u1ed5 ph\u00e1ch s\u00e2u th\u1eb3m c\u1ee7a Myanmar, Ph\u00e1p v\u00e0 Canada, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t kho b\u00e1u \u1ea9n gi\u1ea5u: “ki\u1ebfn \u0111\u1ecba ng\u1ee5c,” m\u1ed9t nh\u00f3m ki\u1ebfn c\u1ed5 \u0111\u1ea1i s\u1ed1ng c\u00e1ch \u0111\u00e2y kho\u1ea3ng 78 \u0111\u1ebfn 99 tri\u1ec7u n\u0103m. Nh\u1eefng sinh v\u1eadt \u0111\u00e1ng ch\u00fa \u00fd n\u00e0y, v\u1edbi ph\u1ea7n ng\u00e0m gi\u1ed1ng nh\u01b0 l\u01b0\u1ee1i li\u1ec1m, \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf th\u00eam v\u1ec1 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a s\u1edbm c\u1ee7a lo\u00e0i ki\u1ebfn.<\/p>\n\n

X\u00e1c \u0111\u1ecbnh lo\u00e0i ki\u1ebfn th\u1ef1c s\u1ef1 c\u1ed5 nh\u1ea5t<\/h2>\n\n

“Ki\u1ebfn \u0111\u1ecba ng\u1ee5c,” hay ki\u1ebfn haidomyrmecine, \u0111\u1ea1i di\u1ec7n cho lo\u00e0i ki\u1ebfn th\u1ef1c s\u1ef1 c\u1ed5 nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n cho \u0111\u1ebfn nay. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang, bao g\u1ed3m c\u1ea3 nh\u1eefng s\u1ee3i l\u00f4ng k\u00edch ho\u1ea1t d\u00e0i tr\u00ean khu\u00f4n m\u1eb7t v\u00e0 nh\u1eefng \u0111\u00e1m ria m\u00e9p r\u1eadm r\u1ea1p tr\u00ean tr\u00e1n, cho th\u1ea5y r\u1eb1ng ch\u00fang \u0111\u00e3 t\u00e1ch kh\u1ecfi t\u1ed5 ti\u00ean ki\u1ebfn-ong ban \u0111\u1ea7u v\u00e0o giai \u0111o\u1ea1n \u0111\u1ea7u trong l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a c\u1ee7a lo\u00e0i ki\u1ebfn.<\/p>\n\n

Ph\u00e2n t\u00edch c\u1ea5u t\u1ea1o h\u00e0m<\/h2>\n\n

\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a ki\u1ebfn \u0111\u1ecba ng\u1ee5c l\u00e0 ph\u1ea7n ng\u00e0m h\u01b0\u1edbng l\u00ean ph\u00eda tr\u00ean. S\u1ef1 th\u00edch nghi kh\u00e1c th\u01b0\u1eddng n\u00e0y cho th\u1ea5y r\u1eb1ng ch\u00fang \u0111\u00e3 \u0111\u00e2m con m\u1ed3i l\u00ean kh\u00f4ng trung, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 lo\u00e0i ki\u1ebfn b\u1eaby h\u00e0m ng\u00e0y nay. Nh\u1eefng r\u00e3nh nh\u1ecf \u1edf m\u1eb7t trong c\u1ee7a ng\u00e0m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1eabn d\u1ecbch c\u01a1 th\u1ec3 v\u1ec1 ph\u00eda mi\u1ec7ng c\u1ee7a ch\u00fang.<\/p>\n\n

V\u1ecb tr\u00ed ti\u1ebfn h\u00f3a v\u00e0 c\u00e2y ph\u00e1t sinh lo\u00e0i<\/h2>\n\n

\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed ti\u1ebfn h\u00f3a c\u1ee7a ki\u1ebfn \u0111\u1ecba ng\u1ee5c, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e2n t\u00edch \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd c\u1ee7a ch\u00fang v\u00e0 so s\u00e1nh v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c nh\u00f3m ki\u1ebfn c\u00f2n sinh t\u1ed3n v\u00e0 h\u1ecd h\u00e0ng c\u1ee7a ch\u00fang. Ph\u00e2n t\u00edch n\u00e0y cho th\u1ea5y r\u1eb1ng ki\u1ebfn haidomyrmecine chi\u1ebfm m\u1ed9t s\u1ed1 nh\u00e1nh s\u1edbm nh\u1ea5t c\u1ee7a c\u00e2y ph\u00e1t sinh lo\u00e0i ki\u1ebfn.<\/p>\n\n

Nh\u1eefng th\u00e1ch th\u1ee9c khi nghi\u00ean c\u1ee9u ki\u1ebfn th\u1eddi ti\u1ec1n s\u1eed<\/h2>\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 trong phim vi\u1ec5n t\u01b0\u1edfng, c\u00e1c nh\u00e0 khoa h\u1ecdc kh\u00f4ng th\u1ec3 tr\u00edch xu\u1ea5t DNA tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c m\u1eabu v\u1eadt b\u1ecb ch\u00f4n v\u00f9i trong h\u1ed5 ph\u00e1ch. Thay v\u00e0o \u0111\u00f3, h\u1ecd d\u1ef1a v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u00e1n ti\u1ebfp, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh ni\u00ean \u0111\u1ea1i b\u1eb1ng carbon ph\u00f3ng x\u1ea1 c\u1ee7a h\u1ed5 ph\u00e1ch xung quanh v\u00e0 ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd.<\/p>\n\n

S\u1ef1 b\u1ea3o qu\u1ea3n trong h\u1ed5 ph\u00e1ch v\u00e0 nh\u1eefng kh\u00e1m ph\u00e1 trong t\u01b0\u01a1ng lai<\/h2>\n\n

S\u1ef1 b\u1ea3o qu\u1ea3n trong h\u1ed5 ph\u00e1ch \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c t\u00ecm hi\u1ec3u v\u1ec1 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a lo\u00e0i ki\u1ebfn. Tuy nhi\u00ean, t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a c\u00e1c m\u1eabu h\u00f3a th\u1ea1ch ki\u1ebfn \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi h\u1ed3 s\u01a1 h\u1ed5 ph\u00e1ch hi\u1ec7n t\u1ea1i. Nh\u1eefng kh\u00e1m ph\u00e1 trong t\u01b0\u01a1ng lai v\u1ec1 h\u1ed5 ph\u00e1ch t\u1eeb c\u00e1c khu v\u1ef1c kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 T\u00e2y Ban Nha v\u00e0 Lebanon, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u00eam n\u1eefa m\u1ed1c th\u1eddi gian ti\u1ebfn h\u00f3a c\u1ee7a lo\u00e0i ki\u1ebfn.<\/p>\n\n

Thu th\u1eadp m\u1eabu h\u00f3a th\u1ea1ch trong h\u1ed5 ph\u00e1ch<\/h2>\n\n

Vi\u1ec7c thu th\u1eadp m\u1eabu h\u00f3a th\u1ea1ch trong h\u1ed5 ph\u00e1ch \u0111\u1eb7t ra m\u1ed9t lo\u1ea1t th\u00e1ch th\u1ee9c ri\u00eang. \u1ede m\u1ed9t s\u1ed1 khu v\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c m\u1ecf than non \u1edf \u1ea4n \u0110\u1ed9, h\u1ed5 ph\u00e1ch th\u01b0\u1eddng b\u1ecb v\u1ee9t b\u1ecf ho\u1eb7c \u0111\u1ed1t ch\u00e1y nh\u01b0 m\u1ed9t ch\u1ea5t xua \u0111u\u1ed5i c\u00f4n tr\u00f9ng. C\u00e1c nh\u00e0 khoa h\u1ecdc ph\u1ea3i ch\u1ea1y \u0111ua v\u1edbi th\u1eddi gian \u0111\u1ec3 thu th\u1eadp c\u00e1c m\u1ea3nh h\u1ed5 ph\u00e1ch tr\u01b0\u1edbc khi ch\u00fang b\u1ecb ph\u00e1 h\u1ee7y.<\/p>\n\n

\u00dd ngh\u0129a nghi\u00ean c\u1ee9u \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u00ecm hi\u1ec3u l\u1ecbch s\u1eed lo\u00e0i ki\u1ebfn<\/h2>\n\n

Vi\u1ec7c ph\u00e1t hi\u1ec7n ra ki\u1ebfn \u0111\u1ecba ng\u1ee5c \u0111\u00e3 m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 l\u1ecbch s\u1eed lo\u00e0i ki\u1ebfn. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng c\u00e1c d\u00f2ng d\u00f5i ki\u1ebfn th\u1eddi k\u1ef3 \u0111\u1ea7u r\u1ea5t kh\u00e1c so v\u1edbi ki\u1ebfn th\u1eddi hi\u1ec7n \u0111\u1ea1i, v\u1edbi nh\u1eefng s\u1ef1 th\u00edch nghi k\u1ef3 l\u1ea1 m\u00e0 ch\u00fang ta kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng ra n\u1ebfu kh\u00f4ng c\u00f3 nh\u1eefng m\u1eabu v\u1eadt h\u00f3a th\u1ea1ch n\u00e0y.<\/p>\n\n

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

Ki\u1ebfn \u0111\u1ecba ng\u1ee5c, v\u1edbi c\u1ea5u t\u1ea1o h\u00e0m \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u00fd ngh\u0129a ti\u1ebfn h\u00f3a c\u1ee7a ch\u00fang, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf v\u1ec1 s\u1ef1 \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a s\u1ef1 s\u1ed1ng \u0111\u00e3 t\u1ed3n t\u1ea1i c\u00e1ch \u0111\u00e2y h\u00e0ng tri\u1ec7u n\u0103m. Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c ph\u00e1t hi\u1ec7n v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u1eabu h\u00f3a th\u1ea1ch b\u1ecb ch\u00f4n v\u00f9i trong h\u1ed5 ph\u00e1ch, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i s\u1ebd thu \u0111\u01b0\u1ee3c th\u00eam nhi\u1ec1u hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n n\u1eefa v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a nh\u1eefng sinh v\u1eadt h\u1ea5p d\u1eabn nh\u1ea5t tr\u00ean h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"

Ki\u1ebfn r\u0103ng ki\u1ebfm th\u1eddi ti\u1ec1n s\u1eed: M\u1ed9t trong nh\u1eefng lo\u00e0i ki\u1ebfn c\u1ed5 nh\u1ea5t th\u1ebf gi\u1edbi Ph\u00e1t hi\u1ec7n ki\u1ebfn \u0111\u1ecba ng\u1ee5c trong h\u1ed5 ph\u00e1ch Trong c\u00e1c l\u1edbp h\u1ed5 ph\u00e1ch s\u00e2u th\u1eb3m…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,20630,20628,20629,141,20631],"class_list":["post-15482","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-paleontology","tag-amber-fossils","tag-ancient-ants","tag-saber-toothed-ants","tag-natural-history","tag-ant-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15482","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=15482"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15482\/revisions"}],"predecessor-version":[{"id":15483,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15482\/revisions\/15483"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}