The Natural Order

On today’s show: We’ll take a look at how a single principle of physics, constructural law, can help explain symmetries in evolutionary design. Then, we’ll hear about the life of Paul Jennings, a slave who served President James Madison in the White House. Today’s installment of the BBC’s A History of the World in 100 Objects looks at a tiny statue of a Minoan bull leaper. Plus our latest Backstory segments look at Super-PACs and what roles they play in the primaries, and we’ll also find out what’s happening in Syria.