After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He ...

Artificial intelligence has attained an impressive series of feats—solving problems from the International Math Olympiad, conducting encyclopedic surveys of academic literature, and even finding ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Robert Kelly is managing director of XTS Energy ...

Five element theory (Wu Xing) is a traditional Chinese medicine (TCM) framework linking wood, fire, earth, metal, and water to health and nature. It connects seasons, organs, emotions, diet, and ...