Theory of Everything

99% Invisible: "Duplitecture"  The best knock-offs in the world are in China. There are plenty of fake designer handbags and Rolexes but China’s knock-offs go way beyond fashion. There are knock-off Apple stores that look so much like the real thing, some employees believe they are working in real Apple stores.  And then there are entire knock-off cities.

Theory of Everything: When You're Lonely, Life is Very Long.  After moving to New York, writer Olivia Laing discovered the truth about loneliness. She says it is a gift.  Eric Klinenberg explains why more and more people are choosing to live alone and why cities like New York must invest in housing stock that singletons actually want to live in, the type of housing they have in Scandinavian countries.

Theory of Everything: "F is for Fake": To bot or not?  Host Benjamen Walker talks to data scientist Gilad Lotan about "fake followers" and online reputations, and Jason Q Ng, author of the book Blocked on Weibo, tells us why the Chinese government hates on-line bots.

Thursday at 5:30pm.

Theory of Everything: "Artifacts (2 of 2)"  The unpredictable, unfolding implications of the transition from analog to digital photography -- and why we're all "animals of code" now.

The Memory Palace: "Harriet Quimby" Remembering a pioneering aviator.

The best in public radio podcasts, Thursday at 5:30pm.