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

The deluge of wanting to share feelings needs forums and encouragement to actualize our interdependence without competition, ...

A new book by one of the founders of research on neural networks covers more than 40 years of scientific work that led to the ...

Electricity powers our lives, including our cars, phones, computers, and more, through the movement of electrons within a ...

I do not believe in cheating. Traditionally, the term “ braindump ” referred to someone taking an exam, memorizing the questions, and sharing them online for others to use. That practice is unethical ...