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.
Apr 30, 2014 — We are all connected chemically to the universe; life, if it exists out there, will share the same roots as life here. Yet, we must be the only humans in the cosmos, says commentator Marcelo Gleiser.
Feb 11, 2014 — It's time to hear from you, the 13.7 Cosmos and Culture community. What burning questions do you have about our existence? What do you need to know?
Feb 4, 2014 — When did it first become possible for life (as we know it) to appear in the cosmos? The answer seems obvious now. But it arrived, unexpectedly, in the shower. It's a story that tells us a lot about how creativity works in science.
Dec 18, 2013 — What was there before the universe began? It's not a question we can really answer with the science we have at hand, says commentator and physicist Marcelo Gleiser.
Oct 30, 2013 — We are a society obsessed with death and dying. It's time we moved the other way and put more of our energy into celebrating life and living. We have a lot to learn from our children here, who are constantly performing grand experiments about the world. Until, that is, we stop them.
Oct 23, 2013 — The fragility of life in space gets a closeup in Gravity, the hit movie featuring Sandra Bullock and George Clooney. Commentator Marcelo Gleiser says that, despite its anxious narrative pace, Gravity is, at its heart, a celebration of life and the importance of our own very small Earth.
Sep 11, 2013 — We know a lot. But we don't know everything. In fact, science still has quite a few "big" questions left to answer. Physicist Marcelo Gleiser pokes at 10 of them, questions highlighted in a new book naming the most difficult scientific problems of our time.
Aug 29, 2013 — Mars had more of the key minerals needed to get life going, a researcher says. He theorizes that some of the rocks that have traveled from the Red Planet to Earth had those elements and gave life here a kick start.
Jun 19, 2013 — The diversity of life on Earth, and its ever-growing complexity, leads many people to think that there must be a purpose to its existence. Commentator Marcelo Gleiser argues that, quite the contrary, the only purpose of life is to preserve itself. There is no hidden hand behind it all.