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EP27|暑假信箱的螞蟻快遞案 episode artwork

EPISODE · Aug 10, 2026 · 16 MIN

EP27|暑假信箱的螞蟻快遞案

from 小小神探阿光與推理社 · host killkli

開學前三天,阿珍阿姨提早請推理社吃「破案冰」,豆豆卻一臉哀怨——他寄給未來自己的第一封信,整個暑假都沒收到回音。阿丹新做的展示箱兼推理社信箱正好落成,大家興沖沖打開蓋子,卻看見一條會動的黑線:螞蟻正排著整齊的隊伍在信封上來回行進。更奇怪的是,箱裡十二封信只有四封被爬滿,另外七封一隻螞蟻都沒有,而且還少了一封。豆豆宣布這是「螞蟻快遞公司」來搶生意。阿光帶大家把信分堆比對,找出那四封的共同點是封口有一股淡淡的甜味;接著追著螞蟻的路線一路走到窗邊盆栽底盤。最關鍵的一步是王小桐提出的對照實驗:用濕紙巾只擦掉路徑中間一小段、右邊那段完全不動——被擦掉的地方螞蟻立刻原地打轉,沒擦的地方照走不誤,證明牠們靠的是聞得到卻看不見的氣味路標。真相是:豆豆含著麥芽糖用舌頭舔封口幫大家黏信,糖分留在紙上引來覓食的螞蟻。螞蟻快遞公司的老闆,原來就是委託人自己。孩子會學到:螞蟻靠氣味而非眼睛認路、對照組為什麼不能省、兩件事一起發生不代表誰害了誰,以及吃完甜食要洗手、封信封別用舌頭舔。

Episode metadata supplied by the publisher feed · Published Aug 10, 2026

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EP27|暑假信箱的螞蟻快遞案

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