Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Check the detailed syllabus, exam pattern, and preparation strategy. Learn subject-wise topics, marking scheme, and tips to ...

Leveraging cloud computing and artificial intelligence, Indianapolis Public Schools is reshaping how teachers lead, how students thrive and how learning environments are built. From automating data ...

By dividing tons by work hours, it appears this facility exports an average of 40 tons per hour. The key word here is average ...