Editor's note: Frank Formisano is a retired chemical engineer who tutors students in chemistry and math. Below is his explanation of why footballs used by the New England Patriots in its victory ...

Unacademy has acquired test prep startup Gate Academy for an undisclosed amount, bringing on board founder Umesh Dhande and absorbing entire team.

In the last decade, several foreign universities have begun using Graduate Aptitude Test in Engineering (GATE) scores for ...