Marcelo Gleiser

Marcelo Gleiser appears in the following:

After 10 Years, 'An Inconvenient Truth' Is Still Inconvenient

Wednesday, May 04, 2016

It's clear global warming is gradually changing our planet's climate and landscapes: The pace may not be exactly mirrored by predictions, but to expect that would be unrealistic, says Marcelo Gleiser.


How Runners Get High

Wednesday, April 20, 2016

People associate such feelings with the release of endorphins, but one recent study proposes different body-secreted chemicals, endocannabinoids, as the trigger, says endurance runner Marcelo Gleiser.


Of Science And Faith, As Discussed By A Physicist And A Cardinal

Wednesday, April 13, 2016

The essence of a constructive dialogue between faith and science is to recognize that we are all in this together — and that our perplexity at being alive is one and the same, says Marcelo Gleiser.


When The Sun Brings Darkness And Chaos

Wednesday, April 06, 2016

Trying not to be very apocalyptic (but being so), a very big solar storm could disrupt the fabric of society as we know it: The danger exists and is palpable, says astrophysicist Marcelo Gleiser.


Why Math Rocks

Wednesday, March 30, 2016

If you don't look with the right eyes, you don't see how pervasive and all-encompassing math is — it even engenders debate as to whether it goes beyond human invention, says Marcelo Gleiser.


Why Is 'Theory' Such A Confusing Word?

Wednesday, March 23, 2016

Many people interpret the word "theory" as iffy knowledge, based on speculative thinking: It is used indiscriminately to indicate things we know and things we aren't sure about, says Marcelo Gleiser.


Is The Fear Of Intelligent Machines Justified?

Wednesday, March 16, 2016

Even with the amazing steps of DeepMind in the game of Go, we can still sleep in peace for now while we find safeguards that will protect us from our own inventions, says Marcelo Gleiser.


Can We Grasp Reality?

Wednesday, March 09, 2016

We may believe that we know what's going on around us. After all, we can see, hear, touch, smell and taste what's around.

Our senses are like antennas, grabbing information about our surroundings and bringing this information into our brains. The brain is this amazing organ capable of synthesizing this ...


Seeing The World Like A 9-Year-Old

Thursday, March 03, 2016

Earlier this week, I visited a fourth-grade class at the public school where I live. I try to go every year to different classes, from grade school to high school, to tell students about the universe.

The class had been studying the solar system, in particular the planets and their ...


It's A Hot Year For Science Books

Wednesday, February 24, 2016

This is a very exciting year for books bringing science to the general public.

From timely topics like how science may illuminate our search for meaning to the search (and now discovery!) of gravitational waves, there is much to look forward to on the printed page. As books are published, ...


An Enduring Lesson From The Challenger Disaster: 'The Sky Is No Limit'

Wednesday, February 10, 2016

It is a sad curiosity that the word "disaster" comes from star (aster), as in "an ill-starred event," owing its etymological roots to astrology.

Jan. 28 marked the 30th anniversary of the Challenger disaster, one of the worst accidents in the history of the American space program. A nation watched, ...


Evaluating Our Importance In The Universe

Wednesday, February 03, 2016

For the past two weeks we've been exploring some of the questions related to life's origin on Earth and possibly elsewhere.

We know life was present on Earth at least 3.5 billion years ago. It may have been present even earlier, but results remain controversial. The window of opportunity for ...


Locating The Cradle Of Life

Wednesday, January 27, 2016

Last week, we wrote about the fundamental three questions concerning the origin of life on Earth: When? Where? How? Although they are interrelated, each has a specific set of sub-questions that keep researchers very busy.

Astrobiology, the study of life's origins on Earth and the possibility of life elsewhere ...


The Search For The Oldest Life On Earth Is A Complicated One

Wednesday, January 20, 2016

Being in Kaikoura, New Zealand, for what is allegedly the first astrobiology workshop here, it's a good time to go back to the basics and reflect on what we know of the complicated question of the origin of life on Earth — and the possibility of life elsewhere.

I will ...


It Is To Space That We Go With David Bowie

Wednesday, January 13, 2016

The singer David Bowie, one of the most creative performers in rock 'n' roll history, died of cancer at age 69 on Sunday — two days after releasing a new album.

I remember going to a few of his concerts when I was a graduate student in London in the ...


Choosing Between Good And Evil In A Galaxy Far, Far Away

Wednesday, January 06, 2016

The battle goes on. In a galaxy far, far away, forces of good clash with forces of evil.

The new installment of the Star Wars saga is an absolute success. Rotten Tomatoes estimates a critics' approval of 93 percent. Tickets sales are breaking all records: Star Wars: The Force ...


From Einstein's Ghost To Pluto, A Year Of Remarkable Science

Wednesday, December 30, 2015

It was a busy year for science, with remarkable discoveries on all fronts. I have compiled a brief and incomplete list, biased toward space science and physics, with links to more details. Here it goes:

  1. Large Hadron Collider (LHC) ends year with a cliffhanger. The behemoth particle collider ...


What The World Looks Like After The Paris Treaty

Wednesday, December 16, 2015

"History will remember this day," U.N. Secretary-General Ban Ki-moon said on Saturday, after almost 200 countries adopted the first global treaty to curb man-made global warming. "The Paris agreement on climate change is a monumental success for the planet and its people."

President Obama agreed: "[The climate agreement] offers the ...


Exploring The 'Universe' In A Video Game

Wednesday, December 09, 2015

Who doesn't want to play God — to have the feeling of creating new worlds with the push of a button? (Although gods presumably don't need buttons to create worlds.)

This is the promise of No Man's Sky, a new game designed by Sean Murray and his team from Hello ...


Should We Eat Golden Rice?

Wednesday, December 02, 2015

Looking at how science has affected humanity, one of the strongest indicators is the dramatic increase in average life expectancy.

During the Late Middle Ages, the average life expectancy in Western Europe was 38 years; in Victorian England, 40. By the early 1900s, with improvements in sanitation, vaccines and treatment ...