Episode 511 - How the earliest brains developed and handle touch
Peering into the history of brains with some amazing tiny fossils. How did the earliest brains develop? Is a head just an extension of a segmented body or something else entirely? How did the first brains and nervous systems evolve in arthropods. How does your body process the sense of touch? The faintest sensations of touch are handled by specialist cells in your spinal cord. How do your brain stem and spinal cord help your body process the senses?
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