M\u00f9a xu\u00e2n, m\u00f9a hoa \u0111\u00e0o n\u1edf, tr\u0103m hoa \u0111ua s\u1eafc, ong b\u01b0\u1edbm bay l\u01b0\u1ee3n, nhi\u1ec1u c\u00f4n tr\u00f9ng \u0111ang l\u1ea5y m\u1eadt truy\u1ec1n ph\u1ea5n trong nh\u1eefng l\u00f9m hoa, th\u1eadt l\u00e0 m\u1ed9t c\u1ea3nh t\u01b0\u1ee3ng t\u1ea5p n\u1eadp. Ong v\u00e0 b\u01b0\u1edbm c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c m\u00f9i hoa c\u1ee7a c\u00e1c lo\u1ea1i hoa qu\u1ea3, l\u1ebd n\u00e0o ch\u00fang c\u0169ng c\u00f3 “m\u0169i” sao?<\/p>\n\n\n\n
C\u00f4n tr\u00f9ng th\u1ef1c s\u1ef1 l\u00e0 c\u00f3 “m\u0169i”. N\u1ebfu b\u1ea1n b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i c\u00f4n tr\u00f9ng, quan s\u00e1t t\u1ec9 m\u1ec9 m\u1ed9t ch\u00fat th\u00ec s\u1ebd ph\u00e1t hi\u1ec7n ra tr\u00ean \u0111\u1ea7u ch\u00fang \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111\u00f4i x\u00fac tu. C\u00f3 \u0111i\u1ec1u x\u00fac tu c\u1ee7a c\u00e1c lo\u00e0i c\u00f4n tr\u00f9ng kh\u00f4ng gi\u1ed1ng nhau: c\u00f3 c\u00e1i th\u00ec d\u00e0i gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u00f4i roi, c\u00f3 c\u00e1i th\u00ec m\u1ecdc r\u1ea5t nhi\u1ec1u nh\u00e1nh gi\u1ed1ng nh\u01b0 hai chi\u1ebfc b\u00e0n ch\u1ea3i; c\u00f3 c\u00e1i r\u1ea5t ng\u1eafn, ph\u00eda d\u01b0\u1edbi l\u00e0 m\u1ed9t c\u00e1i c\u00e1n, ph\u00eda tr\u00ean ph\u00ecnh to, hai chi\u1ebfc x\u00fac tu gi\u1ed1ng nh\u01b0 hai chi\u1ebfc b\u00faa ng\u1eafn. Ngo\u00e0i ra, ph\u00eda d\u01b0\u1edbi mi\u1ec7ng c\u1ee7a c\u00f4n tr\u00f9ng c\u00f2n c\u00f3 hai \u0111\u00f4i r\u00e2u ng\u1eafn nh\u1ecf. Tuy b\u1ec1 ngo\u00e0i c\u1ee7a x\u00fac tu v\u00e0 r\u00e2u ho\u00e0n to\u00e0n kh\u00e1c so v\u1edbi m\u0169i c\u1ee7a \u0111\u1ed9ng v\u1eadt b\u1eadc cao, nh\u01b0ng ch\u00fang l\u1ea1i c\u00f3 th\u1ec3 gi\u1ed1ng nh\u01b0 chi\u1ebfc m\u0169i c\u00f3 t\u00e1c d\u1ee5ng ng\u1eedi m\u00f9i. B\u1edfi v\u00ec b\u1ec1 ngo\u00e0i c\u1ee7a x\u00fac tu v\u00e0 r\u00e2u c\u00f3 r\u1ea5t nhi\u1ec1u l\u1ed7 th\u1ee7ng nh\u1ecf, c\u00f3 m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o \u1ea9n trong l\u1ed7 th\u1ee7ng c\u00f3 th\u1ec3 c\u1ea3m th\u1ee5 m\u00f9i. Khi c\u00f4n tr\u00f9ng g\u1eb7p ph\u1ea3i kh\u00f4ng kh\u00ed mang theo m\u00f9i, nh\u1edd c\u1ea5u t\u1ea1o \u0111\u1eb7c bi\u1ec7t n\u00e0y, ch\u00fang ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c r\u00f5 m\u00f9i.<\/p>\n\n\n\n
\u0110\u1ed1i v\u1edbi nhi\u1ec1u c\u00f4n tr\u00f9ng, chi\u1ebfc “m\u0169i” \u0111\u1eb7c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng. Ngo\u00e0i ong v\u00e0 b\u01b0\u1edbm ra, c\u00f2n c\u00f3 kh\u00f4ng \u00edt c\u00f4n tr\u00f9ng \u0111\u00e3 l\u1ee3i d\u1ee5ng kh\u1ee9u gi\u00e1c \u0111\u1ec3 t\u00ecm th\u1ee9c \u0103n ho\u1eb7c t\u00ecm b\u1ea1n \u0111\u1eddi \u0111\u1ec3 sinh \u0111\u1ebb con c\u00e1i. Con ki\u1ebfn m\u00e0 m\u1ecdi ng\u01b0\u1eddi r\u1ea5t quen thu\u1ed9c, c\u00f3 th\u1ec3 c\u0103n c\u1ee9 v\u00e0o kh\u1ee9u gi\u00e1c \u0111\u1ec3 nh\u1eadn bi\u1ebft b\u1ea1n \u0111\u1eddi c\u1ee7a m\u00ecnh; n\u1ebfu nh\u01b0 th\u1ea3 v\u00e0i con ki\u1ebfn \u1edf t\u1ed5 ki\u1ebfn n\u00e0y v\u00e0o trong m\u1ed9t t\u1ed5 ki\u1ebfn kh\u00e1c, do m\u00f9i c\u1ee7a ch\u00fang kh\u00f4ng gi\u1ed1ng nhau n\u00ean nh\u1eefng con ki\u1ebfn ngo\u1ea1i lai s\u1ebd nhanh ch\u00f3ng b\u1ecb c\u1eafn ch\u1ebft. C\u00f4n tr\u00f9ng \u0111\u00e3 c\u00f3 kh\u1ee9u gi\u00e1c, v\u00ec v\u1eady c\u0169ng c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i m\u00f9i m\u00e0 n\u00f3 kh\u00f4ng th\u00edch.<\/p>\n\n\n\n
C\u0103n c\u1ee9 v\u00e0o \u0111\u1eb7c t\u00ednh c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c m\u00f9i c\u1ee7a c\u00f4n tr\u00f9ng, con ng\u01b0\u1eddi \u0111\u00e3 ch\u1ebf t\u1ea1o ra nhi\u1ec1u lo\u1ea1i thu\u1ed1c c\u00f3 m\u00f9i. Trong \u0111\u00f3, c\u00f3 m\u1ed9t s\u1ed1 thu\u1ed1c c\u00f3 th\u1ec3 d\u1ee5 d\u1ed7 \u0111\u01b0\u1ee3c c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i \u0111\u1ebfn, sau \u0111\u00f3 gi\u1ebft ch\u00fang; c\u00f3 m\u1ed9t s\u1ed1 thu\u1ed1c c\u00f3 th\u1ec3 l\u00e0m cho c\u00f4n tr\u00f9ng c\u00f3 h\u1ea1i l\u1ea3ng tr\u00e1nh, c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt kh\u00f4ng b\u1ecb s\u00e2u b\u1ecd g\u00e2y h\u1ea1i, nh\u01b0 h\u01b0\u01a1ng \u0111u\u1ed5i mu\u1ed7i, tinh d\u1ea7u long n\u00e3o\u2026 c\u00f3 th\u1ec3 ph\u00e1t huy \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng n\u00e0y.<\/p>\n\n\n\n
C\u00f4n tr\u00f9ng kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 ng\u1eedi m\u00f9i, m\u00e0 c\u00f2n c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c \u00e2m thanh. B\u1edfi v\u00ec tr\u00ean c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang c\u00f3 m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u00f3 t\u00e1c d\u1ee5ng nh\u01b0 \u0111\u00f4i tai. “Tai” c\u1ee7a c\u00f4n tr\u00f9ng r\u1ea5t k\u00ec l\u1ea1, v\u1ecb tr\u00ed m\u1ecdc r\u1ea5t kh\u00e1c nhau. “Tai” c\u1ee7a c\u00f4n tr\u00f9ng m\u1ecdc \u1edf hai b\u00ean tr\u00e1i ph\u1ea3i c\u1ee7a \u0111o\u1ea1n th\u1ee9 nh\u1ea5t ph\u1ea7n b\u1ee5ng, m\u1ed7i b\u00ean m\u1ed9t c\u00e1i, b\u1ec1 ngo\u00e0i gi\u1ed1ng nh\u01b0 v\u1ebft n\u1ee9t h\u00ecnh b\u00e1n nguy\u1ec7t, r\u1ea5t d\u1ec5 nh\u00ecn th\u1ea5y. “Tai” c\u1ee7a mu\u1ed7i m\u1ecdc \u1edf tr\u00ean hai x\u00fac tu c\u1ee7a ph\u1ea7n \u0111\u1ea7u, trong \u0111o\u1ea1n th\u1ee9 hai c\u1ee7a m\u1ed7i x\u00fac tu \u1ea9n gi\u1ea5u m\u1ed9t c\u01a1 quan nghe \u00e2m thanh. “Tai” c\u1ee7a con d\u1ebf l\u1ea1i m\u1ecdc \u1edf tr\u00ean \u0111o\u1ea1n th\u1ee9 hai c\u1ee7a m\u1ed9t \u0111\u00f4i chi tr\u01b0\u1edbc. C\u00f2n “tai” c\u1ee7a thi\u00eau th\u00e2n, c\u00e1i th\u00ec m\u1ecdc \u1edf ph\u1ea7n ng\u1ef1c, c\u00e1i th\u00ec m\u1ecdc \u1edf ph\u1ea7n b\u1ee5ng. Kh\u1ea3 n\u0103ng th\u00ednh gi\u00e1c c\u1ee7a c\u00f4n tr\u00f9ng r\u1ea5t \u0111\u1eb7c bi\u1ec7t. Kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1ecbp \u0111i\u1ec7u v\u00e0 quy lu\u1eadt c\u1ee7a \u00e2m thanh r\u1ea5t t\u1ed1t, n\u1ebfu nh\u01b0 s\u1ed1 l\u1ea7n \u0111\u1ee9t n\u1ed1i c\u1ee7a \u00e2m thanh trong m\u1ed7i gi\u00e2y \u0111\u1ed3ng h\u1ed3 t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u, th\u00ec tai ng\u01b0\u1eddi nghe kh\u00f4ng ra ch\u1ed7 \u0111\u1ee9t n\u1ed1i, ch\u1ec9 c\u1ea3m th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t chu\u1ed7i \u00e2m thanh li\u00ean t\u1ee5c. Nh\u01b0ng nhi\u1ec1u c\u00f4n tr\u00f9ng l\u1ea1i c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng s\u1ef1 thay \u0111\u1ed5i m\u1ea5y ch\u1ee5c l\u1ea7n m\u1ed7i gi\u00e2y c\u1ee7a nh\u1ecbp \u0111i\u1ec7u v\u00e0 quy lu\u1eadt. Kh\u00f4ng ch\u1ec9 nh\u01b0 v\u1eady, nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng t\u00e1c khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra c\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4n tr\u00f9ng c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c si\u00eau \u00e2m, th\u1eadm ch\u00ed c\u00f3 con c\u00f3 th\u1ec3 nghe th\u1ea5y si\u00eau \u00e2m dao \u0111\u1ed9ng 20 v\u1ea1n l\u1ea7n m\u1ed7i gi\u00e2y (200 kHz). “Tai” c\u1ee7a c\u00f4n tr\u00f9ng ch\u1ee7 y\u1ebfu l\u00e0 d\u00f9ng \u0111\u1ec3 t\u00ecm “b\u1ea1n \u0111\u1eddi”. V\u00ed d\u1ee5 nh\u01b0 c\u00f4n tr\u00f9ng c\u00e1i c\u00f4 \u0111\u01a1n, n\u00f3 d\u1ef1a v\u00e0o \u00e2m thanh l\u1ea1 ph\u00e1t ra th\u00ec d\u1ec5 t\u00ecm \u0111\u01b0\u1ee3c n\u01a1i \u1ea9n n\u00e1u c\u1ee7a c\u00f4n tr\u00f9ng \u0111\u1ef1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng giao ph\u1ed1i. “Tai” c\u0169ng ph\u00e1t huy \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng r\u1ea5t l\u1edbn trong vi\u1ec7c b\u1ea3o v\u1ec7 an to\u00e0n b\u1ea3n th\u00e2n. Nh\u01b0 nhi\u1ec1u con thi\u00eau th\u00e2n c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c \u00e2m thanh c\u1ee7a con d\u01a1i (lo\u1ea1i \u00e2m thanh n\u00e0y g\u1ecdi l\u00e0 s\u00f3ng si\u00eau \u00e2m, tai ng\u01b0\u1eddi nghe kh\u00f4ng \u0111\u01b0\u1ee3c), l\u00e0m cho ch\u00fang c\u00f3 th\u1ec3 nhanh ch\u00f3ng r\u1eddi kh\u1ecfi khu v\u1ef1c nguy hi\u1ec3m \u0111\u1ec3 kh\u00f4ng b\u1ecb r\u01a1i v\u00e0o trong mi\u1ec7ng con d\u01a1i.<\/p>\n","protected":false},"excerpt":{"rendered":"
M\u00f9a xu\u00e2n, m\u00f9a hoa \u0111\u00e0o n\u1edf, tr\u0103m hoa \u0111ua s\u1eafc, ong b\u01b0\u1edbm bay l\u01b0\u1ee3n, nhi\u1ec1u c\u00f4n tr\u00f9ng \u0111ang l\u1ea5y m\u1eadt truy\u1ec1n ph\u1ea5n trong nh\u1eefng l\u00f9m hoa, th\u1eadt l\u00e0 m\u1ed9t c\u1ea3nh t\u01b0\u1ee3ng t\u1ea5p n\u1eadp. Ong v\u00e0 b\u01b0\u1edbm c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c m\u00f9i hoa c\u1ee7a c\u00e1c lo\u1ea1i hoa qu\u1ea3, l\u1ebd n\u00e0o ch\u00fang c\u0169ng c\u00f3 “m\u0169i” sao? C\u00f4n […]<\/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-8306","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\/8306","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=8306"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8306\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}