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Problems > Brain Food > 2008

A Girl and a Nail

Welcome to the new set of puzzles for the fall of 2008. These puzzles are all poems that are also riddles. 

I'm a girl, and a nail,
And I'm worth just a tad.
And although I am pretty,
I am also quite bad!

View the solution
A Mysterious Sequence
An Unknown Name

Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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