Can we predict cultural change?

In 1492 Columbus sailed the ocean blue. But why wasn’t there a Native American explorer sailing in the opposite direction? Researchers have been trying to explain such cultural differences between groups for decades, but have they been barking up the wrong tree?

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When did language evolve?

Language is one of our most unique and important attributes, but how old is it?

Why did language evolve?

Language is important to us modern humans so asking why it evolved seems like a silly question. After all, surely we can think of numerous benefits of language that drove its evolution in our ancestors. However, idle speculation is not good enough for science. We need data! Which of the many benefits to language we…