Start with a deck of cards. Before the trick, sneak a peek at the 10th card in the deck. Memorize it. Ask your volunteer to add the first and second digit of their number together. For instance, if he ...

Flipping through a deck of cards in the library as her friends and classmates slough through books and papers means that, sometimes, people want answers from Carolyn Chen. "I usually have to reassure ...

Every year, lakhs of students enter the exam hall with the same worry: "I understand the concepts, but will I remember the formulas when it really matters?" The truth is, board exams don't measure how ...