The Evolutionary Mystery of Kissing
B2中级40.0
75 词 1 分钟 6 次阅读
本文探讨了接吻行为的进化目的，采访了牛津大学的进化生物学家Matilda Brindle，讨论了驱动这种行为的原因、不同类型接吻的区别以及文化因素的作用。
The evolutionary purpose of kissing has long baffled scientists.
Smooching is risky (teeth) and inherently gross (80 million bacteria are estimated to be transferred in a 10 second kiss).
And yet, many animals kiss, from polar bears to albatrosses to prairie dogs.
We speak with evolutionary biologist Matilda Brindle at the University of Oxford on what may drive this behavior, what distinguishes different kinds of kissing, and whether culture has anything to do with it.
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