\u1ebech, c\u00f3c v\u00e0 c\u1ea3 m\u1ef9 nh\u00e2n ng\u01b0 trong truy\u1ec1n thuy\u1ebft c\u00f3 ti\u1ebfng k\u00eau nh\u01b0 ti\u1ebfng tr\u1ebb con kh\u00f3c \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00e0nh vi\u00ean c\u1ee7a nh\u00f3m \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0. Th\u1ef1c ra, \u0111\u1ed9ng v\u1eadt thu\u1ed9c lo\u1ea1i n\u00e0y c\u00f3 r\u1ea5t nhi\u1ec1u, tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u00f3 kho\u1ea3ng 3000 lo\u00e0i, Trung Qu\u1ed1c c\u00f3 kho\u1ea3ng 210 lo\u00e0i. Nh\u01b0ng \u0111i\u1ec1u k\u00ec l\u1ea1 l\u00e0, \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 c\u00f3 th\u1ec3 s\u1ed1ng \u1edf ven s\u00f4ng h\u1ed3, \u0111\u1ea7m n\u01b0\u1edbc, khe su\u1ed1i\u2026 nh\u01b0ng \u1edf \u0111\u1ea1i d\u01b0\u01a1ng m\u00eanh m\u00f4ng th\u00ec ch\u1eb3ng nh\u00ecn th\u1ea5y b\u00f3ng d\u00e1ng c\u1ee7a ch\u00fang \u0111\u00e2u c\u1ea3.<\/p>\n\n\n\n
R\u1ed1t cu\u1ed9c th\u00ec \u0111\u00f3 l\u00e0 nguy\u00ean nh\u00e2n g\u00ec v\u1eady nh\u1ec9?<\/p>\n\n\n\n
Mu\u1ed1n n\u00f3i r\u00f5 v\u1ea5n \u0111\u1ec1 n\u00e0y, tr\u01b0\u1edbc ti\u00ean c\u1ea7n l\u00e0m m\u1ed9t th\u00ed nghi\u1ec7m nh\u1ecf, \u0111\u01a1n gi\u1ea3n v\u00e0 th\u00fa v\u1ecb sau. D\u00f9ng m\u1ed9t t\u00fai nh\u1ecf c\u00f3 m\u00e0ng m\u1ecfng b\u00e1n th\u1ea5u (ch\u1ec9 c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc c\u00f3 th\u1ec3 l\u1ecdt qua, c\u00e1c ph\u00e2n t\u1eed l\u1edbn h\u01a1n \u0111\u1ec1u kh\u00f4ng th\u1ec3 l\u1ecdt qua), trong t\u00fai \u0111\u1ef1ng n\u01b0\u1edbc mu\u1ed1i, sau \u0111\u00f3 \u0111\u1eb7t t\u00fai n\u00e0y v\u00e0o trong n\u01b0\u1edbc s\u1ea1ch, l\u00fac n\u00e0y do \u00e1p l\u1ef1c th\u1ea9m th\u1ea5u trong t\u00fai v\u00e0 ngo\u00e0i t\u00fai kh\u00e1c nhau n\u00ean ch\u00fang ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y n\u01b0\u1edbc s\u1ea1ch kh\u00f4ng ng\u1eebng th\u1ea5m v\u00e0o trong t\u00fai. Nh\u01b0ng n\u1ebfu cho n\u01b0\u1edbc s\u1ea1ch v\u00e0o trong t\u00fai, r\u1ed3i \u0111\u1eb7t t\u00fai v\u00e0o trong n\u01b0\u1edbc mu\u1ed1i, th\u00ec ch\u00fang ta c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n th\u1ea5y n\u01b0\u1edbc \u1edf trong t\u00fai s\u1ebd kh\u00f4ng ng\u1eebng ch\u1ea3y ra ngo\u00e0i.<\/p>\n\n\n\n
Th\u00ed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n n\u00e0y \u0111\u00e3 ch\u1ee9ng minh l\u01b0\u1ee3ng n\u01b0\u1edbc trong dung d\u1ecbch c\u00f3 n\u1ed3ng \u0111\u1ed9 th\u1ea5p ch\u1eafc ch\u1eafn s\u1ebd ch\u1ea3y ra ch\u1ed7 dung d\u1ecbch c\u00f3 n\u1ed3ng \u0111\u1ed9 cao.<\/p>\n\n\n\n
Tr\u00ean c\u01a1 th\u1ec3 c\u1ee7a \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c che ph\u1ee7 b\u1edfi l\u1edbp da nh\u1eb5n nh\u1ee5i, h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i trong m\u00e1u v\u00e0 th\u1ec3 d\u1ecbch th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi n\u1ed3ng \u0111\u1ed9 mu\u1ed1i trong n\u01b0\u1edbc bi\u1ec3n. N\u1ebfu m\u1ed9t khi \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 v\u00e0o trong n\u01b0\u1edbc bi\u1ec3n c\u00f3 n\u1ed3ng \u0111\u1ed9 cao th\u00ec m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn trong c\u01a1 th\u1ec3 ch\u00fang s\u1ebd b\u1ecb tho\u00e1t ra ngo\u00e0i, k\u1ebft qu\u1ea3 l\u00e0 ch\u00fang s\u1ebd b\u1ecb ch\u1ebft do m\u1ea5t n\u01b0\u1edbc. Trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i trong nh\u1eefng v\u00f9ng n\u01b0\u1edbc c\u00f3 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i 10\u2030 . Hi\u1ec7n nay, h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i trong n\u01b0\u1edbc bi\u1ec3n th\u01b0\u1eddng \u0111\u1ea1t t\u1edbi tr\u00ean 20\u2030 , c\u00f3 n\u01a1i th\u1eadm ch\u00ed c\u00f2n l\u00ean t\u1edbi 42\u2030 . V\u00ec v\u1eady, tuy\u1ec7t \u0111\u1ea1i \u0111a s\u1ed1 \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 \u0111\u1ec1u kh\u00f4ng th\u1ec3 s\u1ed1ng \u1edf bi\u1ec3n.<\/p>\n\n\n\n
Hi\u1ec7n nay, ch\u1ec9 c\u00f3 m\u1ed9t lo\u1ea1i \u1ebfch bi\u1ec3n s\u1ed1ng \u1edf nh\u1eefng b\u00e3i b\u00f9n ven bi\u1ec3n c\u1ee7a \u0111\u1ea3o H\u1ea3i Nam Trung Qu\u1ed1c v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc \u0110\u00f4ng Nam \u00c1.<\/p>\n\n\n\n
N\u1ebfu \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i m\u1ed9t th\u1eddi gian d\u00e0i trong n\u01b0\u1edbc bi\u1ec3n th\u00ec \u0111\u01b0\u01a1ng nhi\u00ean c\u0169ng kh\u00f4ng th\u1ec3 b\u01a1i t\u1eeb \u0111\u1ea5t li\u1ec1n ra h\u1ea3i \u0111\u1ea3o, th\u1ebf nh\u01b0ng t\u1ea1i sao tr\u00ean \u0111\u1ea3o v\u1eabn c\u00f3 \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 nh\u1ec9? \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 do nh\u1eefng h\u00f2n \u0111\u1ea3o n\u00e0y tr\u01b0\u1edbc kia ti\u1ebfp gi\u00e1p v\u1edbi \u0111\u1ea5t li\u1ec1n, sau n\u00e0y m\u1edbi t\u00e1ch ri\u00eang ra th\u00e0nh \u0111\u1ea3o, c\u00f2n nh\u1eefng \u0111\u1ed9ng v\u1eadt tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 s\u1ed1ng \u1edf nh\u1eefng n\u01a1i n\u00e0y th\u00ec v\u1eabn ti\u1ebfp t\u1ee5c t\u1ed3n t\u1ea1i. Nh\u01b0ng, n\u00f3i chung c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0 s\u1ed1ng tr\u00ean \u0111\u1ea3o th\u01b0\u1eddng \u00edt h\u01a1n nhi\u1ec1u so v\u1edbi tr\u00ean \u0111\u1ea5t li\u1ec1n.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u1ebech, c\u00f3c v\u00e0 c\u1ea3 m\u1ef9 nh\u00e2n ng\u01b0 trong truy\u1ec1n thuy\u1ebft c\u00f3 ti\u1ebfng k\u00eau nh\u01b0 ti\u1ebfng tr\u1ebb con kh\u00f3c \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00e0nh vi\u00ean c\u1ee7a nh\u00f3m \u0111\u1ed9ng v\u1eadt l\u01b0\u1ee1ng c\u01b0. Th\u1ef1c ra, \u0111\u1ed9ng v\u1eadt thu\u1ed9c lo\u1ea1i n\u00e0y c\u00f3 r\u1ea5t nhi\u1ec1u, tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u00f3 kho\u1ea3ng 3000 lo\u00e0i, Trung Qu\u1ed1c c\u00f3 kho\u1ea3ng 210 lo\u00e0i. Nh\u01b0ng \u0111i\u1ec1u […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,10],"tags":[],"class_list":["post-8435","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8435"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8435\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}