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Psycho Games

If the diameter of the dial is four centimetres, what is the distance (red diagonal) that separates the hands of the pocket watch.

©Archimedes Laboratory.  Dist. Knight Features

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Christmas is coming...!

Junior Brian Building Puzzles

Shiver me timbers!

World of Wonder

Creator Laurie Triefeldt, an award-winning graphic journalist, uses a reader-friendly style and beautiful, full-color illustrations to give readers mini-lessons on such diverse topics as storms, castles, monarch butterflies, Vikings and jellyfish.

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Curated content | Nature