Aug 20, 2014 — Is immortality something desirable, or a many-headed monster? Commentator Marcelo Gleiser says that as medical science extends our lifespan, the question becomes more real all the time.
Jul 30, 2014 — Our quest for knowledge will never end because we just can't know everything, no matter how hard we try, says commentator Marcelo Gleiser. But that's a good thing. Here's why.
Jul 23, 2014 — Conflict is the force that drives change. Commentator Marcelo Gleiser asks: What are the values that we should champion as we fight for a better future?
Jul 18, 2014 — The power of a particular work of art comes from somewhere. Commentator Alva NoŽ has one idea about its source, while art historian Alexander Nagel has another.
Jul 16, 2014 — New human possibilities materialized with the arrival of the the Enlightenment in the 17th and 18th centuries. Commentator Marcelo Gleiser says its time to pick up the banner and move forward again.
Jul 2, 2014 — If nature is like a game played by the gods, scientists are the observers trying to figure out the rules. Physicist Marcelo Gleiser asks: Can our knowledge ever be complete?
Jun 27, 2014 — Is there really a difference between knowing an answer and knowing how to find an answer? Commentator Alva NoŽ asks this question and shares his answer.
Jun 20, 2014 — The World Cup is on, a festival of amazing teamwork and theatric tribalism. Billions of humans love soccer. Are games a mark of intelligence, something we should expect to find across the cosmos?
Jun 18, 2014 — Does science have limits? Commentator Adam Frank reviews Marcelo Gleiser's eye-opening new book exploring this very question. It appears that we are forever headed into the dark.
Jun 16, 2014 — Can thinking about how the brain works also change how we think about crime and punishment? Commentator Tania Lombrozo says new research suggests it may be so.