Chefs are using A.I. to invent recipes; doctors are using it to read M.R.I. and CT scans; scientists are unlocking ...

On Instagram, the artist Joseph Awuah-Darko asked the world to invite him to dinner before he ended his life. More than 150 meals later, he is still going.

With boots on the ground, it's easy to get caught up in the flurry of activity during Comic-Con. From the ruthless, survival-of-the-fittest actions to jump into lines for exclusive merchandise to ...