Marcelo Gleiser

Marcelo Gleiser appears in the following:

Should We Be Afraid Of Aliens?

Wednesday, February 11, 2015

The notion that other intelligences exist in the universe is pervasive in popular culture: Aliens are often portrayed as evil invaders. Astrophysicist Marcelo Gleiser ponders whether we should worry.


Lessons From The Beginning Of Time

Wednesday, February 04, 2015

The fact that science opens a window for us to peer into our deep past should be a cause for celebration, irrespective of what we find when we are able to look, says astrophysicist Marcelo Gleiser.


Is An Identical Copy Of You, You?

Wednesday, January 28, 2015

Commentator Marcelo Gleiser ponders the question: Would you be comfortable dying, knowing that another you, a copy, would still be alive?


Was 2014 The Hottest Year On Record — Or Not?

Wednesday, January 21, 2015

Our planet is getting steadily warmer — and ignoring this fact is like stepping in front of a train and hoping that if we close our eyes, it won't hit us, says commentator Marcelo Gleiser.


Capturing Changes In The Way We Connect

Wednesday, January 14, 2015

Photographer Jacob F. Lucas put together a book called Commute Culture, addressing how technology is changing human connections. Commentator Marcelo Gleiser caught up with him for an interview.


As 2015 Begins, Some Ruminations On Science And Life

Wednesday, January 07, 2015

At this time of introspection and self-analysis, commentator Marcelo Gleiser shares some thoughts that have come to him in the course of writing books and essays over the years.


Black Holes And Our Cosmic Future

Wednesday, December 17, 2014

Commentator Marcelo Gleiser says that while he enjoys sci-fi speculation like most people, he also thinks there is a chance, in viewing recent films, to learn something about ourselves and our planet.


Church Of England Names Its First Female Bishop

Wednesday, December 17, 2014

The Rev. Libby Lane has been a parish priest for 20 years. She will be consecrated on Jan. 26, becoming the first female bishop since the church was founded five centuries ago.


Space, Time, Love And Stephen Hawking

Wednesday, December 10, 2014

The Theory of Everything celebrates the spirit of a man who has fought for all of his adult life to uncover the mystery of time, says commentator Marcelo Gleiser.


A Quest For The Unattainable Unification Of Knowledge

Wednesday, December 03, 2014

There is no reason to expect that we can get to the ultimate nature of reality, says physicist Marcelo Gleiser. We must learn to live with the mystery, with the fact that we cannot know everything.


The Little Comet Probe That Could

Wednesday, November 19, 2014

You may be carrying comet dust in your bones and blood. Probe Philae has shown that, now, we can go collect the original stuff. That's where science becomes magical, says commentator Marcelo Gleiser.


The Science Of 'Interstellar'

Thursday, November 13, 2014

Few, if any, movies have been this faithful to science and still managed to tell a gripping tale, says commentator Marcelo Gleiser — though some liberties are taken at points.


Despite Disasters, Explore We Must

Wednesday, November 05, 2014

The crash of Virgin Galactic's spacecraft has renewed criticism of commercial space exploration. Commentator Marcelo Gleiser says disasters and loss of life are the cost of pushing humanity's limits.


Can Scientific Belief Go Too Far?

Wednesday, October 29, 2014

Can scientists have too much faith, insisting that an idea is right despite contrary evidence? Commentator Marcelo Gleiser says yes, which could pay off in the end — or be a colossal waste of time.


The Void Is A Busy Place

Wednesday, October 22, 2014

Is there such a thing as complete emptiness or nothingness? Not according to modern physics, where empty space gets more active all the time, says commentator Marcelo Gleiser.


The Never-Ending Climb Of Mount Science

Wednesday, October 15, 2014

Commentator Marcelo Gleiser says the mystery that surrounds us will always be here; there is no complete or final knowledge, and this fact gives science a unique character.


Superintelligence: Triumph Or Threat?

Wednesday, October 08, 2014

If we are able to create intelligent machines, how can we guarantee they will keep us alive and well, as opposed to wiping us out? Nick Bostrom explores the question in Superintelligence.


Should We Live Life, Or Capture It?

Wednesday, October 01, 2014

Cell phones and social media may be changing the way we engage in — and experience — life. We need to be concerned if they have come to define how we live, says commentator Marcelo Gleiser.


A Liberal Arts Curriculum In 2 Minutes

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.


If We Create Life, Who Will Control It?

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.