Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Such breakthroughs rarely happen in the derring-do ...

George W. Bush‘s post-presidency painting career has always drawn a potent combination of ridicule and fascination, but rarely has the subject of who taught him to put brush to canvas come up ...

The Best of the Joy of Painting with Bob Ross is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire ...