What is the fittest city in America? The answer has a lot to do with sleep and mental health

I wish I could use artificial intelligence (AI) for practical things: have it reorganize my closet or clean the stubborn ingrained dirt from my old wooden staircase. I’d love to see it remove brain tumours without ever touching a patient’s skull and detox our oceans. With our ever-growing list of needs, AI has a bright future — except in writing. Read More