Earwax is both slippery and sticky – this weird combo might lead to safer insect repellents

Earwax’s unusual physical properties help it repel insects in the lab. Is this a job it evolved to do in animal ears?

研究發現耳垢兼具滑性與粘性，能吸收螞蟻腳部的水分，使昆蟲無法攀爬，從而起到阻擋昆蟲的作用。研究者據此仿制出人工耳垢，希望為更安全的驅蟲方式提供思路。