A dog, ready to play

Playful Play: How to Learn More at Work

Somehow, the animals are always first to know

In the dusty old days of the 3rd century BC, at Ptolemy’s university in Alexandria, Euclid is teaching a class.

The great Greek geometrist is working through his Elements with a group of impatient beginners. Euclid teaches the very first proposition in the lengthy list that stretches to 13 books…



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Clark Boyd

Clark Boyd


Tech/business writer, lecturer (Columbia), and data analyst. >500k views on Medium. I used to be with it, but then they changed what ‘it’ was.