Elsie the cat has a set of 120 buttons programmed with words. She uses them to lie, swear, apologise, express grief and frustration and love to her human, the author Mary Robinette Kowal, who talks about what's involved in learning to communicate via language buttons with companion animals. And animal behaviour expert Zazie Todd explains how animals might be interacting with human language.
Read moreAllusionist 102. New Rules
I don’t know exactly when or where, but at some point in the past few years, I stopped putting punctuation at the end of sentences. Why? The internet made me do it
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