Each year, thousands of candidates aspire to join the Indian Armed Forces, drawn by the promise of a respected career, structured growth and the chance to serve the nation. Among the written papers, ...

Hyesang Chang and colleagues, from Stanford University, explored why some children struggle to learn math compared to their peers in a new JNeurosci paper. Children selected which numbers were bigger ...

Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...