How far back in evolutionary history does kissing go? Through phylogenetic analysis, an international team of scientists found that kissing was likely present in the ancestor of all apes – which lived 21 million years ago. Not only that: They were definitely kissing Neanderthals. The study was published in the journal
Evolution and Human Behavior. In this news roundup, we also talk about new clues about the collision that created our moon and a moss surviving the hardships of space.
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