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?

研究发现耳垢兼具滑性与粘性，能吸收蚂蚁脚部的水分，使昆虫无法攀爬，从而起到阻挡昆虫的作用。研究者据此仿制出人工耳垢，希望为更安全的驱虫方式提供思路。