Gordon Hall performing “AND PER SE AND—A Lecture in 23 Tufts” (2016) (all photos by Stephanie Lynn Rogers unless otherwise noted) (click to enlarge) PHILADELPHIA — The “I”-shaped table is set up as if ...

What do puzzles, gymnastics, writing and using maps all have in common? They all rely on people’s ability to visualize objects as they spin, flip or turn in space, without physically moving them. This ...

Choose a letter to focus on! You may want to choose the first letter in your child’s name or a letter he is working on in school. After he has named all the objects, encourage your child to guess the ...

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