Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.

Data scientists are in high demand—and for good reason. Companies rely on them to turn large, messy datasets into insights ...

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 ...