![](\"http:\/\/chanhkien.org\/wp-content\/uploads\/2024\/08\/20230317-zj-kaogu-image.jpg\")
<\/a><\/p>\nKh\u1ea3o c\u1ed5 l\u00e0 m\u1ed9t ng\u00e0nh khoa h\u1ecdc r\u1ed9ng l\u1edbn, th\u00f4ng qua nh\u1eefng \u0111\u1ed3 v\u1eadt khai qu\u1eadt \u0111\u01b0\u1ee3c, c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 suy \u0111o\u00e1n \u0111\u01b0\u1ee3c \u0111\u1eddi s\u1ed1ng v\u00e0 b\u1ed1i c\u1ea3nh v\u0103n h\u00f3a c\u1ee7a th\u1eddi \u0111\u1ea1i \u0111\u00f3. Ngo\u00e0i nh\u1eefng t\u00e0i li\u1ec7u l\u1ecbch s\u1eed ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c ghi ch\u00e9p l\u1ea1i, kh\u1ea3o c\u1ed5 c\u0169ng l\u00e0m n\u1ea3y sinh r\u1ea5t nhi\u1ec1u c\u00e2u chuy\u1ec7n ly k\u1ef3, th\u1eadm ch\u00ed nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3 gi\u1ea3i th\u00edch. M\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1 k\u1ef3 l\u1ea1 \u0111\u00e3 x\u1ea3y ra t\u1ea1i m\u1ed9t v\u00f9ng qu\u00ea \u1edf t\u1ec9nh Thi\u1ec3m T\u00e2y c\u1ee7a Trung Qu\u1ed1c. T\u1ea1i khu v\u1ef1c qu\u1ea7n th\u1ec3 m\u1ed9 c\u1ed5 \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 t\u1eeb th\u1eddi Xu\u00e2n Thu Chi\u1ebfn Qu\u1ed1c, \u0111\u1ed9t nhi\u00ean l\u1ea1i \u0111\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u1ed3 v\u1eadt gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfc \u201ck\u00ecm h\u1ed5\u201d. L\u1ebd n\u00e0o \u0111\u00e2y ch\u00ednh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cdu h\u00e0nh th\u1eddi gian\u201d m\u00e0 m\u1ecdi ng\u01b0\u1eddi v\u1eabn th\u01b0\u1eddng hay n\u00f3i \u0111\u1ebfn? G\u1ea7n \u0111\u00e2y, \u0111i\u1ec1u n\u00e0y c\u0169ng \u0111\u00e3 g\u00e2y ra nhi\u1ec1u cu\u1ed9c tranh lu\u1eadn s\u00f4i n\u1ed5i tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i Trung Qu\u1ed1c.<\/p>\n
T\u1edd NetEase c\u1ee7a Trung Qu\u1ed1c \u0111\u00e3 \u0111\u0103ng t\u1ea3i b\u00e0i vi\u1ebft v\u1ec1 th\u00f4ng tin n\u00e0y. M\u1ed9t s\u1ed1 nh\u00e0 khai qu\u1eadt l\u00e0m vi\u1ec7c t\u1ea1i b\u1ed9 ph\u1eadn qu\u1ea3n l\u00fd v\u0103n h\u00f3a huy\u1ec7n Ph\u01b0\u1ee3ng T\u01b0\u1eddng, t\u1ec9nh Thi\u1ec3m T\u00e2y \u0111\u00e3 ti\u1ebfn h\u00e0nh khai qu\u1eadt s\u01a1 b\u1ed9 v\u00e0 x\u00e1c \u0111\u1ecbnh r\u1eb1ng n\u01a1i \u0111\u00e2y l\u00e0 m\u1ed9t khu m\u1ed9 c\u1ed5 t\u1eeb th\u1eddi k\u1ef3 Chi\u1ebfn Qu\u1ed1c. Trong l\u1ea7n khai qu\u1eadt ti\u1ebfp theo, ng\u01b0\u1eddi ta \u0111\u00e3 li\u00ean t\u1ee5c \u0111\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u1ea5m \u0111\u1ed3ng v\u00e0 \u0111\u1ed3 g\u1ed1m, t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00e0nh qu\u1ea3 r\u1ea5t \u0111\u00e1ng m\u1eebng.<\/p>\n
\u0110i\u1ec1u k\u1ef3 l\u1ea1 h\u01a1n n\u1eefa, \u1edf b\u00ean c\u1ea1nh chi\u1ebfc g\u1ed1i \u0111\u00e1 trong m\u1ed9 ch\u1ee7 nh\u00e2n, h\u1ecd \u0111\u00e3 ph\u00e1t hi\u1ec7n m\u1ed9t v\u1eadt c\u1ee9ng gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u0111\u1ed3ng xanh. Sau khi m\u1ea5t kho\u1ea3ng m\u1ed9t ti\u1ebfng \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 c\u1ea9n th\u1eadn \u0111\u00e0o v\u1eadt \u0111\u00f3 ra, cu\u1ed1i c\u00f9ng h\u1ecd ph\u00e1t hi\u1ec7n m\u1ed9t th\u1ee9 c\u00f4ng c\u1ee5 tr\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1i \u201ck\u00ecm h\u1ed5\u201d. C\u1ea3nh t\u01b0\u1ee3ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng l\u00fac \u1ea5y v\u1eeba g\u00e2y s\u1ed1c v\u1eeba c\u00f3 ph\u1ea7n d\u1edf kh\u00f3c d\u1edf c\u01b0\u1eddi.<\/p>\n
\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh xem \u0111\u00f3 c\u00f3 ph\u1ea3i l\u00e0 v\u1eadt ph\u1ea9m \u0111\u01b0\u1ee3c ch\u00f4n c\u1ea5t t\u1eeb th\u1eddi k\u1ef3 \u0111\u00f3 hay kh\u00f4ng, hay l\u00e0 c\u1ee7a ng\u01b0\u1eddi \u0111\u1eddi sau \u0111\u00e3 \u0111\u01b0a v\u00e0o, c\u00e1c chuy\u00ean gia \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 \u0111\u1ed3ng v\u1ecb carbon-14 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. Ngo\u00e0i ra, v\u00ec n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00f4n d\u01b0\u1edbi \u0111\u1ea5t h\u01a1n hai ngh\u00ecn n\u0103m, n\u00ean m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn \u1edf c\u1ea3 trong l\u1eabn ngo\u00e0i \u0111\u00e3 b\u1ecb \u0103n m\u00f2n v\u00e0 oxy h\u00f3a. Qua nhi\u1ec1u l\u1ea7n x\u00e1c \u0111\u1ecbnh, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n r\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3 ch\u1ec9 b\u1eb1ng 1\/3 so v\u1edbi chi\u1ebfc k\u00ecm hi\u1ec7n \u0111\u1ea1i, v\u00e0 l\u00e0 \u0111\u1ed3 th\u1eadt.<\/p>\n
H\u00e0ng gi\u1ea3 kh\u00f4ng ch\u1ec9 khi\u1ebfn con ng\u01b0\u1eddi ph\u1ea3i \u0111\u1ec1 ph\u00f2ng trong sinh ho\u1ea1t h\u00e0ng ng\u00e0y, m\u00e0 \u0111\u00f4i khi c\u0169ng khi\u1ebfn c\u00e1c chuy\u00ean gia kh\u1ea3o c\u1ed5 c\u1ea3m th\u1ea5y r\u1ea5t l\u00fang t\u00fang. V\u00ed nh\u01b0 c\u00f3 l\u1ea7n, c\u00e1c chuy\u00ean gia \u0111\u00e3 khai qu\u1eadt \u0111\u01b0\u1ee3c m\u1ed9t chi\u1ebfc k\u00ecm \u0111\u1ed3ng trong m\u1ed9t ng\u00f4i m\u1ed9 c\u1ed5 th\u1eddi Chi\u1ebfn Qu\u1ed1c; m\u00e0 c\u00e1i k\u00ecm n\u00e0y l\u1ea1i gi\u1ed1ng h\u1ec7t v\u1edbi chi\u1ebfc k\u00ecm hi\u1ec7n \u0111\u1ea1i m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng hi\u1ec7n nay. V\u1eady n\u00ean l\u00fac \u0111\u00f3 c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng \u0111\u00f3 l\u00e0 \u0111\u1ed3 gi\u1ea3, th\u1ebf nh\u01b0ng sau \u0111\u00f3 c\u00e1c chuy\u00ean gia \u0111\u00e3 v\u1ea5t v\u1ea3 s\u1eed d\u1ee5ng ba ph\u01b0\u01a1ng ph\u00e1p tr\u1eafc \u0111\u1ecbnh, cu\u1ed1i c\u00f9ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c r\u1eb1ng n\u00f3 l\u00e0 \u0111\u1ed3 th\u1eadt. Tr\u1edf l\u1ea1i v\u1edbi chi\u1ebfc k\u00ecm kia, v\u00ec d\u00f9 sao n\u00f3 c\u0169ng l\u00e0 \u201cnh\u00e2n v\u1eadt ch\u00ednh\u201d trong s\u1ef1 ki\u1ec7n n\u00e0y. V\u00e0o nh\u1eefng n\u0103m 60 th\u1ebf k\u1ef7 tr\u01b0\u1edbc, th\u00f4n d\u00e2n huy\u1ec7n Ph\u01b0\u1ee3ng T\u01b0\u1eddng t\u1ec9nh Thi\u1ec3m T\u00e2y \u0111ang chu\u1ea9n b\u1ecb tu s\u1eeda m\u1ed9t con \u0111\u01b0\u1eddng nh\u1ecf \u1edf s\u01b0\u1eddn n\u00fai g\u1ea7n \u0111\u00f3. N\u01a1i n\u00e0y c\u1ecf d\u1ea1i m\u1ecdc um t\u00f9m, nh\u01b0 th\u1ec3 l\u00e0 h\u00e0ng tr\u0103m n\u0103m ch\u1eb3ng c\u00f3 ai \u0111\u1eb7t ch\u00e2n t\u1edbi. M\u1edbi b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c ba ng\u00e0y th\u00ec ng\u01b0\u1eddi d\u00e2n \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t \u0111i\u1ec1u kh\u00f4ng ng\u1edd t\u1edbi.<\/p>\n
L\u00fac \u1ea5y c\u00f3 hai c\u00e2y h\u00f2e gai to h\u00ecnh mi\u1ec7ng b\u00e1t c\u1ea3n tr\u1edf vi\u1ec7c s\u1eeda \u0111\u01b0\u1eddng, d\u00e2n l\u00e0ng li\u1ec1n quy\u1ebft \u0111\u1ecbnh di d\u1eddi hai \u201ccon h\u1ed5 ng\u00e1ng \u0111\u01b0\u1eddng\u201d n\u00e0y \u0111i. L\u00fac \u0111ang \u0111\u00e0o g\u1ed1c c\u00e2y, m\u1edbi \u0111\u00e0o \u0111\u01b0\u1ee3c m\u1ea5y x\u1ebbng th\u00ec \u0111\u1ed9t nhi\u00ean nghe th\u1ea5y d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t v\u1ecdng l\u1ea1i nh\u1eefng ti\u1ebfng \u201ckeng keng keng\u201d. D\u00e2n l\u00e0ng c\u1ea3m th\u1ea5y r\u1ea5t qu\u00e1i l\u1ea1, b\u1edfi v\u00ec \u0111\u00e2y r\u00f5 r\u00e0ng l\u00e0 \u00e2m thanh c\u1ee7a \u0111\u1ed3ng s\u1eaft ch\u1ea1m nhau, l\u1ebd n\u00e0o b\u00ean d\u01b0\u1edbi c\u00f3 kho b\u00e1u? Nh\u01b0ng \u1edf n\u01a1i \u0111\u1ed3i n\u00fai hoang vu th\u1ebf n\u00e0y, l\u1ebd n\u00e0o c\u00f3 ai l\u1ea1i \u0111i ch\u00f4n \u0111\u1ed3 v\u1eadt qu\u00fd b\u00e1u \u1edf \u0111\u00e2y.<\/p>\n
M\u1ea5y ng\u01b0\u1eddi d\u00e2n l\u1ea1i ti\u1ebfp t\u1ee5c \u0111\u00e0o, \u0111\u1ea7u ti\u00ean h\u1ecd \u0111\u00e0o l\u00ean \u0111\u01b0\u1ee3c m\u1ed9t v\u00e0i vi\u00ean g\u1ea1ch nung m\u00e0u xanh, ti\u1ebfp theo l\u00e0 m\u1ea5y thanh g\u1ed7 m\u1ee5c n\u00e1t, nh\u1eefng thanh g\u1ed7 n\u00e0y c\u00f3 m\u00f9i chua. Ti\u1ebfp \u0111\u00f3, m\u1ed9t chi\u1ebfc \u0111\u0129a \u0111\u1ed3ng thau xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc m\u1eaft m\u1ecdi ng\u01b0\u1eddi. M\u1ed9t ng\u01b0\u1eddi d\u00e2n gan d\u1ea1 \u0111\u00e3 c\u1ea7m chi\u1ebfc \u0111\u0129a l\u00ean quan s\u00e1t k\u1ef9 l\u01b0\u1ee1ng, c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 nh\u1eefng hoa v\u0103n tinh x\u1ea3o b\u00ean tr\u00ean, c\u1ea7m tr\u00ean tay c\u0169ng r\u1ea5t n\u1eb7ng. \u0110\u1ebfn l\u00fac n\u00e0y, ng\u01b0\u1eddi d\u00e2n m\u1edbi nh\u1eadn ra \u0111\u00e3 \u0111\u00e0o tr\u00fang m\u1ed9t ng\u00f4i m\u1ed9 c\u1ed5, h\u1ecd l\u1eadp t\u1ee9c d\u1eebng tay r\u1ed3i xu\u1ed1ng n\u00fai v\u1ec1 th\u00f4n \u0111\u1ec3 b\u00e1o tr\u01b0\u1edfng th\u00f4n bi\u1ebft t\u00ecnh hu\u1ed1ng n\u00e0y. Tr\u01b0\u1edfng th\u00f4n bi\u1ebft chuy\u1ec7n li\u1ec1n b\u00e1o l\u1ea1i cho C\u1ee5c Di s\u1ea3n V\u0103n h\u00f3a c\u1ee7a huy\u1ec7n Ph\u01b0\u1ee3ng T\u01b0\u1eddng.<\/p>\n
M\u1ed9t s\u1ed1 nh\u00e2n vi\u00ean c\u1ee7a C\u1ee5c Di s\u1ea3n V\u0103n h\u00f3a huy\u1ec7n Ph\u01b0\u1ee3ng T\u01b0\u1eddng \u0111\u00e3 \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng. Sau khi ti\u1ebfn h\u00e0nh khai qu\u1eadt s\u01a1 b\u1ed9, h\u1ecd x\u00e1c \u0111\u1ecbnh \u0111\u00e2y l\u00e0 m\u1ed9t ng\u00f4i m\u1ed9 c\u00f3 t\u1eeb th\u1eddi Chi\u1ebfn Qu\u1ed1c. Trong qu\u00e1 tr\u00ecnh khai qu\u1eadt sau \u0111\u00f3, h\u1ecd l\u1ea1i \u0111\u00e0o \u0111\u01b0\u1ee3c th\u00eam m\u1ed9t s\u1ed1 b\u00ecnh \u0111\u1ed3ng v\u00e0 \u0111\u1ed3 g\u1ed1m. Nh\u01b0ng \u0111i\u1ec1u khi\u1ebfn h\u1ecd c\u1ea3m th\u1ea5y kinh ng\u1ea1c nh\u1ea5t v\u1eabn c\u00f2n \u1edf ph\u00eda sau.<\/p>\n
Khi m\u1ed9t nh\u00e2n vi\u00ean c\u00f4ng t\u00e1c v\u0103n v\u1eadt l\u1ecbch s\u1eed \u0111ang d\u1ecdn n\u01b0\u1edbc b\u00f9n trong l\u0103ng m\u1ed9 th\u00ec ph\u00e1t hi\u1ec7n c\u00f3 m\u1ed9t v\u1eadt \u0111\u1ed3ng xanh n\u1eb1m s\u00e1t c\u1ea1nh chi\u1ebfc g\u1ed1i \u0111\u00e1 c\u1ee7a ch\u1ee7 nh\u00e2n ng\u00f4i m\u1ed9. Sau h\u01a1n m\u1ed9t gi\u1edd d\u1ecdn d\u1eb9p, v\u1eadt d\u1ee5ng \u0111\u1ed3ng thau \u1ea5y cu\u1ed1i c\u00f9ng \u0111\u00e3 l\u1ed9 di\u1ec7n ho\u00e0n to\u00e0n. Ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch c\u00f4ng t\u00e1c khai qu\u1eadt v\u0103n v\u1eadt nh\u00ecn th\u1ea5y v\u1eadt th\u1ec3 b\u1eb1ng \u0111\u1ed3ng xanh \u1ea5y, c\u1ea3m th\u1ea5y th\u1eadt d\u1edf kh\u00f3 d\u1edf c\u01b0\u1eddi, v\u00ec n\u00f3 \u0111\u00fang l\u00e0 m\u1ed9t chi\u1ebfc \u201ck\u00ecm h\u1ed5\u201d, gi\u1ed1ng trong b\u1ee9c h\u00ecnh qu\u00fd v\u1ecb \u0111ang nh\u00ecn th\u1ea5y \u1edf tr\u00ean. C\u00e1i k\u00ecm b\u1eb1ng \u0111\u1ed3ng thau n\u00e0y so v\u1edbi c\u00e1i k\u00ecm k\u1eb9p \u0111\u1ea7u d\u1eb9t m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng ng\u00e0y nay g\u1ea7n nh\u01b0 l\u00e0 gi\u1ed1ng h\u1ec7t.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 nh\u1ea5t: So s\u00e1nh tr\u1ecdng l\u01b0\u1ee3ng.<\/b><\/p>\n
Do c\u00e1i k\u00ecm b\u1eb1ng \u0111\u1ed3ng xanh n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00f4n d\u01b0\u1edbi \u0111\u1ea5t h\u01a1n hai ngh\u00ecn n\u0103m n\u00ean m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ea3 trong l\u1eabn ngo\u00e0i \u0111\u00e3 b\u1ecb \u0103n m\u00f2n, l\u1ea1i c\u1ed9ng th\u00eam vi\u1ec7c \u0111\u1ed3ng c\u00f3 \u0111\u1eb7c t\u00ednh d\u1ec5 b\u1ecb oxy h\u00f3a n\u00ean d\u1eabn \u0111\u1ebfn vi\u1ec7c tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 \u0111i. V\u1edbi nh\u1eefng chi\u1ebfc k\u00ecm \u0111\u1ed3ng c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc, chi\u1ebfc k\u00ecm c\u1ed5 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n kho\u1ea3ng 1\/3 so v\u1edbi k\u00ecm hi\u1ec7n \u0111\u1ea1i m\u00f4 ph\u1ecfng l\u1ea1i. N\u00f3 \u0111\u00e3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau ch\u00ed v\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n n\u00e0y, v\u1eady n\u00ean n\u00f3 l\u00e0 \u0111\u1ed3 th\u1eadt.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai: \u0110\u00e1nh gi\u00e1 ngo\u1ea1i h\u00ecnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng.<\/b><\/p>\n
Khi quan s\u00e1t k\u1ef9 l\u01b0\u1ee1ng, chi\u1ebfc k\u00ecm r\u00f5 r\u00e0ng \u0111\u01b0\u1ee3c ch\u1ebf t\u00e1c th\u1ee7 c\u00f4ng ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u00f4ng qua khu\u00f4n \u0111\u00fac c\u01a1 gi\u1edbi hi\u1ec7n \u0111\u1ea1i. Ngo\u00e0i ra, tr\u00ean chi\u1ebfc k\u00ecm c\u00f3 r\u1ea5t nhi\u1ec1u v\u1ebft g\u1ec9 s\u00e2u v\u00e0o t\u1eadn x\u01b0\u01a1ng, \u0111\u00fang nh\u01b0 t\u00ean g\u1ecdi, v\u1ebft g\u1ec9 \u0111\u00e3 \u0103n s\u00e2u v\u00e0o t\u1eadn b\u00ean trong c\u1ee7a c\u00e1i k\u00ecm \u0111\u1ed3ng thau. M\u00e0 \u0111i\u1ec3m n\u00e0y th\u00ec \u0111\u00fang l\u00e0 ki\u1ec7t t\u00e1c c\u1ee7a \u201cth\u1eddi gian\u201d d\u00e0i m\u1ea5y ngh\u00ecn n\u0103m, l\u00e0 \u0111i\u1ec1u m\u00e0 b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i n\u00e0o c\u0169ng \u0111\u1ec1u kh\u00f4ng th\u1ec3 l\u00e0m gi\u1ea3 m\u1ea1o \u0111\u01b0\u1ee3c.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 ba: Gi\u00e1m \u0111\u1ecbnh s\u1ef1 ph\u00e2n r\u00e3 c\u1ee7a \u0111\u1ed3ng v\u1ecb carbon 14.<\/b><\/p>\n
\u0110\u1ed3ng v\u1ecb carbon 14 \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 \u201c\u0111\u1ed3ng h\u1ed3 ti\u00eau chu\u1ea9n\u201d c\u1ee7a Tr\u00e1i \u0110\u1ea5t. C\u00f4ng ngh\u1ec7 khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i c\u0169ng th\u01b0\u1eddng l\u1ee3i d\u1ee5ng s\u1ef1 ph\u00e2n r\u00e3 c\u1ee7a \u0111\u1ed3ng v\u1ecb carbon 14 \u0111\u1ec3 gi\u00e1m \u0111\u1ecbnh ni\u00ean \u0111\u1ea1i c\u1ee7a c\u00e1c v\u0103n v\u1eadt. \u0110\u00e2y c\u0169ng l\u00e0 \u201ctuy\u1ec7t chi\u00eau t\u1ed1i h\u1eadu\u201d \u0111\u1ec3 gi\u00e1m \u0111\u1ecbnh c\u00e1c di t\u00edch v\u0103n h\u00f3a, t\u1ef1a nh\u01b0 h\u1ecfa nh\u00e3n kim tinh c\u1ee7a T\u00f4n Ng\u1ed9 Kh\u00f4ng v\u1eady, b\u1ea5t k\u1ef3 c\u00e1c v\u0103n v\u1eadt gi\u1ea3 m\u1ea1o n\u00e0o d\u01b0\u1edbi s\u1ef1 gi\u00e1m \u0111\u1ecbnh \u0111\u1ed3ng v\u1ecb carbon 14 \u0111\u1ec1u s\u1ebd b\u1ecb b\u1ea1i l\u1ed9 nguy\u00ean h\u00ecnh. Chi\u1ebfc k\u00ecm \u0111\u1ed3ng n\u00e0y \u0111\u00e3 \u201cv\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra n\u00e0y\u201d m\u1ed9t c\u00e1ch thu\u1eadn l\u1ee3i, ch\u1ee9ng minh \u0111\u01b0\u1ee3c r\u1eb1ng n\u00f3 th\u1eadt s\u1ef1 l\u00e0 m\u1ed9t di v\u1eadt c\u00f3 ni\u00ean \u0111\u1ea1i h\u01a1n ba ngh\u00ecn n\u0103m tr\u01b0\u1edbc, v\u00e0 kh\u00f4ng c\u00f2n nghi ng\u1edd g\u00ec n\u1eefa, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 \u0111\u1ed3 th\u1eadt.<\/p>\n
D\u1ecbch t\u1eeb: https:\/\/www.zhengjian.org\/node\/282107<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"[ChanhKien.org] Kh\u1ea3o c\u1ed5 l\u00e0 m\u1ed9t ng\u00e0nh khoa h\u1ecdc r\u1ed9ng l\u1edbn, th\u00f4ng qua nh\u1eefng \u0111\u1ed3 v\u1eadt khai qu\u1eadt \u0111\u01b0\u1ee3c, c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 suy \u0111o\u00e1n \u0111\u01b0\u1ee3c \u0111\u1eddi s\u1ed1ng v\u00e0 b\u1ed1i c\u1ea3nh v\u0103n h\u00f3a c\u1ee7a th\u1eddi \u0111\u1ea1i \u0111\u00f3. Ngo\u00e0i nh\u1eefng t\u00e0i li\u1ec7u l\u1ecbch s\u1eed ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c ghi ch\u00e9p l\u1ea1i, kh\u1ea3o c\u1ed5 c\u0169ng l\u00e0m n\u1ea3y sinh […]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[85],"tags":[],"class_list":["post-34028","post","type-post","status-publish","format-standard","hentry","category-khao-co-hoc"],"acf":[],"yoast_head":"\n
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