其實,在五官的感受中,嗅覺和記憶的關聯最深,幾乎所有談嗅覺的科普書,都會提到法國文學大師馬塞爾.普魯斯特(Marcel Proust,1871-1922)共計七卷的意識流小說經典——《追憶似水年華》(À la recherche du temps perdu)中的第一卷的開場,他用了整整四頁細緻地描述熱茶的餘韻和瑪德蓮的滋味,讓過往記憶歷歷在目。這本《嗅覺不思議:從變化中的氣味,到人類與各種生物驚人的氣味軼事,探索你不知道的嗅覺世界》(Smelling to Survive:The Amazing World of Our Sense of Smell)也不例外。
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