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How do we make all those colors with our mouths?

In chapter 5 we encounter the incredible case of the descending larynx. This marvelous evolutionary adaptation allows us a much greater variety of mouth sounds. Now Tori Bloom sends us an internet model where you can actually play around with things like tongue placement, pitch, nasals, stops, fricatives, lips, all the many ways we can form words and lyrics and sounds with our mouths. Here's the site: https://dood.al/pinktrombone/. Thanks Tori!

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The function of the basal ganglia

The basal ganglia, which we first met in Chapter 3, has been around since the tetrapods, but its function has always been a bit of a mystery. One school of thought thinks that the basal ganglia is for

A prehistoric whodunnit!

It's long been argued that one of the major evolutionary developments attributed solely to the Homo genus is the development of tools, the Oldowan tools serving as a prime exhibit. But new excavations

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