Feb 12, 2014 — What happens when you ask a lot of really smart people what worries them? You get lots of very good reasons to worry about the future of our civilization and planet. Commentator Marcelo Gleiser is your guide to this fascinating exercise in intellectual anxiety.
Jan 27, 2014 — Dozens of thinkers have been asked to identify cherished scientific ideas that are ripe for retirement. Commentator Tania Lombrozo considers their answers and ends up questioning the wisdom of discarding worn-out scientific ideas.
Jan 14, 2013 — Just when we were patting ourselves on the back for avoiding the end of the world, the folks at The Edge offer more than 150 reasons to worry this year. Commentator Tania Lombrozo identifies some common areas of concern.