Five years ago, the entire Texas power grid came within roughly four minutes of complete collapse. Now, Charles J Petrie, Jr.

It’s nowhere near early enough for those of us in the northern hemisphere to start struggling against winter’s somnolent spell, so there’s no need for excuses as you take to your bed with a pile of ...

At M.I.T., a new program called “artificial intelligence and decision-making” is now the second-most-popular undergraduate major. By Natasha Singer Natasha Singer covers computer science and A.I.