Dec 12, 2013 — Former Nightline host and NPR contributor Ted Koppel interviewed Nelson Mandela. Koppel says that Mandela is deservedly seen as a great man, but that one of the keys to his exalted status is that for 27 years he was behind bars, hidden from the kind of scrutiny and decision-making that can turn heroes into mere mortals.
Dec 12, 2013 — Countries around the world are moving to officially adopt recognition of a third gender. Commentator Barbara J. King thinks we should go further, embracing a fluid system of gender identities.
Dec 11, 2013 — We have a vice: an addiction to screen time and digital linkage. Not a moment is allowed to go by without tapping into some free-flowing source of information. The antidote, says commentator Marcelo Gleiser, is renewal of our links to the natural world.
Dec 10, 2013 — Can a monkey randomly striking keys on a typewriter write Hamlet? It doesn't seem likely. But that hasn't stopped people from trying to bring this idea to life. Watch and find out what they did.
Dec 9, 2013 — Students around the country are gearing up for final exams, including often-disparaged multiple choice tests. Is their bad rap deserved? Commentator Tania Lombrozo looks at some research suggesting it's not.