American business is smart. It knows different projects have different ROI or return on investment. If money can be borrowed cheaply, it makes sense to build that luxury apartment building or buy that ...

The original version of this story appeared in Quanta Magazine. The world of mathematics is full of unreachable corners, where unsolvable problems live. Now, yet another has been exposed. In 1900, the ...

This past week, my business partner, Bill Storie, and I were recording some podcasts and the subject of “asking for help” came up. “Oh, that would make a great topic for an article!” I thought. So how ...