Marcelo Gleiser appears in the following:
Wednesday, September 24, 2014
This short video tells the story of humanity, from beginning to end. Commentator Marcelo Gleiser says it invites us to reflect on who we are, where we came from and how we will chart our future.
Wednesday, September 17, 2014
Commentator Marcelo Gleiser says the prospect of making living creatures is as exciting as it is terrifying — and the stakes are so high, that the discussion must be brought into the open.
Wednesday, September 10, 2014
Commentator Marcelo Gleiser says we must let go of the connection between spirituality and the supernatural and realize that science is an expression of our fascination with the mystery around us.
Wednesday, September 03, 2014
In taking sides for or against a theory, scientists place their faith on an idea. Commentator Marcelo Gleiser asks what happens when the idea can't be tested or validated. Is it still science?
Wednesday, August 27, 2014
We've learned so much, yet we still don't know the composition of 95 percent of the cosmos. Commentator Marcelo Gleiser says it is good to stay humble and keep an open mind as the search continues.
Wednesday, August 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.
Wednesday, August 13, 2014
Life doesn't necessarily lead to intelligence. So, says commentator Marcelo Gleiser, the fact that we are thinking, molecular machines should mean something — and redefine the way we relate.
Wednesday, July 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.
Wednesday, July 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?
Wednesday, July 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.
Wednesday, July 09, 2014
We don't have all the answers; many big questions hang over the world of theoretical physics. Is this business as usual? Or symptom of a major crisis in our understanding of nature?
Wednesday, July 02, 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?
Wednesday, June 25, 2014
Recent results cast doubt on claims that a much-hyped experiment has detected signals from the Big Bang itself. That's just another example of science in the making, says commentator Marcelo Gleiser.
Friday, June 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?
Wednesday, June 11, 2014
Humanity is slowly transforming, evolving into a new species, growing together with its technology. Marcelo Gleiser asks: How will we maintain our sense of self as we become something else?
Wednesday, June 04, 2014
There is no end to how much we can know of reality. But we can never know everything, says commentator Marcelo Gleiser.
Wednesday, May 28, 2014
Don't get fooled into believing you know what reality is, says commentator Marcelo Gleiser. It's a trick the brain plays on us, an illusion spun together out of our many bodily senses.
Wednesday, May 21, 2014
Does a mind need a body to exist? To be happy? Science fiction has been wrestling with these questions for years and commentator Marcelo Gleiser suggests that we heed Hollywood's latest warning.
Sunday, May 18, 2014
We don't often think about it but we are deeply connected to the universe and deeply indebted to mother Earth. Commentator Marcelo Gleiser says its time we treated her with respect.
Wednesday, May 07, 2014
NASA's Kepler satellite has spotted an Earth-like planet in the habitable zone of another star. Commentator Marcelo Gleiser says this "a truly remarkable achievement."