As a math educator at the high school and middle school levels, I lived for the moments when students’ furrowed brows ever-so-slightly began to unfold and smiles emerged. Those “aha” moments were ...
How a centuries-old math puzzle helped us see inside the human brain. By Steven Strogatz Photo illustrations by Jens Mortensen Each installment of “Math, Revealed” starts with an object, uncovers the ...