Harold Ridley successfully implanted the world’s first artificial intraocular lens.

Some Chicago murals “are political, and some are purely beautiful, and most are somewhere in between," artist Cyd Smillie says.

The Soul of Nature ,” the Met’s new retrospective of nearly 40 of Friedrich’s paintings and more than 30 of his drawings, marks the 250th year since the artist’s birth in 1774. Much of Friedrich’s ...