{"id":27742,"date":"2025-10-13T09:40:06","date_gmt":"2025-10-13T02:40:06","guid":{"rendered":"https:\/\/i-clc.edu.vn\/?p=27742"},"modified":"2025-10-13T09:40:06","modified_gmt":"2025-10-13T02:40:06","slug":"khoa-hoc-song-ngu-vi-sao-co-mui-thom-sau-con-mua","status":"publish","type":"post","link":"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-vi-sao-co-mui-thom-sau-con-mua\/","title":{"rendered":"Khoa h\u1ecdc song ng\u1eef: V\u00ec sao c\u00f3 m\u00f9i th\u01a1m sau c\u01a1n m\u01b0a?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">B\u00e9 c\u00f3 bao gi\u1edd \u0111i ra ngo\u00e0i sau m\u1ed9t tr\u1eadn m\u01b0a r\u00e0o v\u00e0 ng\u1eedi th\u1ea5y m\u1ed9t m\u00f9i th\u01a1m \u0111\u1eb7c bi\u1ec7t trong kh\u00f4ng kh\u00ed ch\u01b0a? M\u00f9i h\u01b0\u01a1ng d\u1ec5 ch\u1ecbu \u1ea5y khi\u1ebfn ai c\u0169ng th\u1ea5y tho\u1ea3i m\u00e1i, t\u01b0\u01a1i m\u00e1t h\u01a1n. V\u1eady b\u00ed m\u1eadt \u0111\u1eb1ng sau m\u00f9i th\u01a1m sau c\u01a1n m\u01b0a l\u00e0 g\u00ec nh\u1ec9? H\u00e3y c\u00f9ng I-CLC kh\u00e1m ph\u00e1 nh\u00e9!<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">Have you ever gone outside after a rain shower and noticed a special fresh smell in the air? That pleasant scent makes everyone feel relaxed and refreshed. So, what\u2019s the secret behind the smell after rain? Let\u2019s find out with I-CL<\/span><\/p>\n<p><b>Tinh d\u1ea7u t\u1eeb th\u1ef1c v\u1eadt<\/b><\/p>\n<p><b>Oils from plants<\/b><\/p>\n<p><span style=\"font-weight: 400\">Tr\u01b0\u1edbc ti\u00ean, khi m\u01b0a r\u01a1i xu\u1ed1ng, nh\u1eefng gi\u1ecdt n\u01b0\u1edbc ch\u1ea1m v\u00e0o \u0111\u1ea5t, \u0111\u00e1 v\u00e0 c\u00e2y c\u1ed1i. L\u00fac \u0111\u00f3, c\u00e1c tinh d\u1ea7u do th\u1ef1c v\u1eadt ti\u1ebft ra trong th\u1eddi gian kh\u00f4 n\u00f3ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0o kh\u00f4ng kh\u00ed. Ch\u00ednh nh\u1eefng h\u01b0\u01a1ng t\u1ef1 nhi\u00ean n\u00e0y g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean m\u00f9i th\u01a1m d\u1ecbu d\u00e0ng m\u00e0 B\u00e9 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">First, when raindrops hit the ground, rocks, and plants, they release natural oils that plants produced during dry, hot periods. These natural scents are part of the gentle fragrance you notice.<\/span><\/p>\n<p><b>Geosmin \u2013 \u201cm\u00f9i \u0111\u1ea5t\u201d \u0111\u1eb7c tr\u01b0ng<\/b><\/p>\n<p><b>Geosmin \u2013 the \u201cearthy smell\u201d<\/b><\/p>\n<p><span style=\"font-weight: 400\">M\u1ed9t nh\u00e2n v\u1eadt quan tr\u1ecdng n\u1eefa ch\u00ednh l\u00e0 <\/span><b>geosmin<\/b><span style=\"font-weight: 400\">, m\u1ed9t h\u1ee3p ch\u1ea5t do vi khu\u1ea9n trong \u0111\u1ea5t (ch\u1ee7 y\u1ebfu l\u00e0 <\/span><i><span style=\"font-weight: 400\">Actinobacteria<\/span><\/i><span style=\"font-weight: 400\">) t\u1ea1o ra. Khi m\u01b0a r\u01a1i, nh\u1eefng bong b\u00f3ng nh\u1ecf tr\u00ean m\u1eb7t \u0111\u1ea5t v\u1ee1 tung, gi\u1ea3i ph\u00f3ng geosmin v\u00e0o kh\u00f4ng kh\u00ed. \u0110\u00e2y l\u00e0 l\u00fd do B\u00e9 c\u1ea3m nh\u1eadn r\u00f5 r\u1ec7t m\u00f9i \u201c\u0111\u1ea5t \u1ea9m\u201d sau m\u01b0a.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">Another key player is <\/span><b>geosmin<\/b><span style=\"font-weight: 400\">, a compound made by soil bacteria (mainly <\/span><i><span style=\"font-weight: 400\">Actinobacteria<\/span><\/i><span style=\"font-weight: 400\">). When raindrops hit the soil, tiny bubbles burst and release geosmin into the air. That\u2019s why you can clearly sense the \u201cearthy smell\u201d after rain.<\/span><\/p>\n<p><a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/3062ecd3871785b6f26b2a74ae569bb0.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-27743 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/3062ecd3871785b6f26b2a74ae569bb0.jpg\" alt=\"\" width=\"735\" height=\"412\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/3062ecd3871785b6f26b2a74ae569bb0.jpg 735w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/3062ecd3871785b6f26b2a74ae569bb0-300x168.jpg 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/3062ecd3871785b6f26b2a74ae569bb0-18x10.jpg 18w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/a><\/p>\n<p><b>S\u1ea5m s\u00e9t v\u00e0 kh\u00ed ozone<\/b><\/p>\n<p><b>Thunderstorms and ozone<\/b><\/p>\n<p><span style=\"font-weight: 400\">\u0110\u00f4i khi sau nh\u1eefng c\u01a1n m\u01b0a k\u00e8m s\u1ea5m ch\u1edbp, B\u00e9 s\u1ebd th\u1ea5y m\u00f9i h\u0103ng nh\u1eb9, trong l\u00e0nh h\u01a1n. \u0110\u00f3 ch\u00ednh l\u00e0 <\/span><b>ozone<\/b><span style=\"font-weight: 400\"> \u2013 m\u1ed9t lo\u1ea1i kh\u00ed \u0111\u01b0\u1ee3c t\u1ea1o ra khi tia s\u00e9t t\u00e1ch c\u00e1c ph\u00e2n t\u1eed oxy, r\u1ed3i t\u00e1i h\u1ee3p th\u00e0nh O\u2083. Ozone l\u00e0m cho kh\u00f4ng kh\u00ed th\u00eam ph\u1ea7n \u201cm\u00e1t l\u1ea1nh\u201d v\u00e0 \u201cs\u1ea1ch s\u1ebd\u201d.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">Sometimes after a thunderstorm, you might notice a sharper, fresher scent. That\u2019s <\/span><b>ozone<\/b><span style=\"font-weight: 400\"> \u2013 a gas formed when lightning splits oxygen molecules, which then recombine into O\u2083. Ozone adds that \u201ccool\u201d and \u201cclean\u201d feeling to the air.<\/span><\/p>\n<p><b>V\u00ec sao m\u00f9i n\u00e0y khi\u1ebfn ta th\u00edch th\u00fa?<\/b><\/p>\n<p><b>Why do we enjoy this smell?<\/b><\/p>\n<p><span style=\"font-weight: 400\">C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng con ng\u01b0\u1eddi \u0111\u00e3 ti\u1ebfn h\u00f3a \u0111\u1ec3 y\u00eau th\u00edch m\u00f9i h\u01b0\u01a1ng n\u00e0y, b\u1edfi n\u00f3 g\u1eafn li\u1ec1n v\u1edbi <\/span><b>n\u01b0\u1edbc<\/b><span style=\"font-weight: 400\"> \u2013 ngu\u1ed3n s\u1ed1ng quan tr\u1ecdng. Ng\u1eedi th\u1ea5y m\u00f9i n\u00e0y, n\u00e3o B\u00e9 s\u1ebd c\u1ea3m th\u1ea5y d\u1ec5 ch\u1ecbu, an to\u00e0n v\u00e0 s\u1ea3ng kho\u00e1i h\u01a1n.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">Scientists believe humans evolved to enjoy this smell because it signals <\/span><b>water<\/b><span style=\"font-weight: 400\"> \u2013 a vital resource. When you smell it, your brain feels comforted, safe, and refreshed.<\/span><\/p>\n<p><a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7.jpg\"><img decoding=\"async\" class=\"size-full wp-image-27745 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7.jpg\" alt=\"\" width=\"1200\" height=\"675\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7.jpg 1200w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7-300x169.jpg 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7-1024x576.jpg 1024w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7-768x432.jpg 768w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/10\/dff0a05182b0ea8a3f41a3f04c08bdd7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400\">V\u1eady l\u00e0 m\u00f9i th\u01a1m sau c\u01a1n m\u01b0a kh\u00f4ng h\u1ec1 b\u00ed \u1ea9n \u0111\u00e2u nh\u00e9! \u0110\u00f3 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p tuy\u1ec7t v\u1eddi c\u1ee7a tinh d\u1ea7u th\u1ef1c v\u1eadt, geosmin t\u1eeb \u0111\u1ea5t v\u00e0 ozone t\u1eeb s\u1ea5m s\u00e9t. Nh\u1edd th\u1ebf m\u00e0 sau m\u01b0a, kh\u00f4ng kh\u00ed tr\u1edf n\u00ean trong l\u00e0nh, m\u00e1t m\u1ebb v\u00e0 d\u1ec5 ch\u1ecbu \u0111\u1ebfn v\u1eady!<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">So, the smell after rain isn\u2019t a mystery at all! It\u2019s a beautiful mix of plant oils, geosmin from the soil, and ozone from lightning. That\u2019s why the air feels so fresh and pleasant after the rain!<\/span><\/p>\n<p><b>S\u01b0u t\u1ea7m<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400\"> Collected<\/span><\/p>\n<p><b>LANGUAGE CENTER INTERCONTINENTAL (I-CLC)<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400\"> CN TP.HCM: 64 \u0110\u01b0\u1eddng 85, Ph\u01b0\u1eddng T\u00e2n H\u01b0ng, TP. HCM<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"> CN Nha Trang: Plot no. 12, Road B2, Urban Area, Vinh Diem Trung, Vinh Hiep, ho chi minh City, Nha Trang<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"> \ud83d\udcde 0917729932<\/span><\/p>\n<p><span style=\"font-weight: 400\">#ICLC #tienganhtreem #khoahoc #kienthucsongngu<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e9 c\u00f3 bao gi\u1edd \u0111i ra ngo\u00e0i sau m\u1ed9t tr\u1eadn m\u01b0a r\u00e0o v\u00e0 ng\u1eedi th\u1ea5y m\u1ed9t m\u00f9i th\u01a1m \u0111\u1eb7c bi\u1ec7t trong kh\u00f4ng kh\u00ed ch\u01b0a? M\u00f9i h\u01b0\u01a1ng d\u1ec5 ch\u1ecbu \u1ea5y khi\u1ebfn ai c\u0169ng th\u1ea5y tho\u1ea3i m\u00e1i, t\u01b0\u01a1i m\u00e1t h\u01a1n. V\u1eady b\u00ed m\u1eadt \u0111\u1eb1ng sau m\u00f9i th\u01a1m sau c\u01a1n m\u01b0a l\u00e0 g\u00ec nh\u1ec9? H\u00e3y c\u00f9ng I-CLC kh\u00e1m &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-vi-sao-co-mui-thom-sau-con-mua\/\"> <span class=\"screen-reader-text\">Khoa h\u1ecdc song ng\u1eef: V\u00ec sao c\u00f3 m\u00f9i th\u01a1m sau c\u01a1n m\u01b0a?<\/span> Read More &raquo;<\/a><\/p>","protected":false},"author":427,"featured_media":27744,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[188],"tags":[],"class_list":["post-27742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-toan-khoa-hoc-song-ngu"],"acf":[],"_links":{"self":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/27742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/comments?post=27742"}],"version-history":[{"count":2,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/27742\/revisions"}],"predecessor-version":[{"id":27747,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/27742\/revisions\/27747"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media\/27744"}],"wp:attachment":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=27742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=27742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=27742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}