Think you can solve the ultimate brain teaser? This tricky puzzle will push your logic and problem-solving skills to the ...

Like many people, earlier this year I was hooked on Wordle – those five or so daily minutes exercising my brain. But like so many things I've tried, the novelty wore off and the thrill of a correct ...

Researchers measured acetylcholine production in participants' brains at the beginning and end of the 10-week trial.