Streams

Marcelo Gleiser

Marcelo Gleiser appears in the following:

Are Life's Seeds From Outer Space?

Wednesday, June 22, 2016

Even if chiral molecules are part of the ingredients of new planets, the choice of chirality could vary randomly from star-forming region to star-forming region, says Marcelo Gleiser.

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New Physics Beyond The Higgs?

Wednesday, June 08, 2016

There's nothing more interesting for a scientist than to have the unexpected show up, as if nature is trying to nudge us to look in a different direction, says Marcelo Gleiser of new CERN data.

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As Science Advances, A Fear Of The Future

Wednesday, June 01, 2016

Fearing science is not the same as fearing what we are capable of: In the end, it's all really about us, what we can create and what we do with what we create, says Marcelo Gleiser.

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Why We Love Aliens

Wednesday, May 25, 2016

We love aliens because they are a reflection of who we are, representing both the worst and the best in humanity, says astrophysicist Marcelo Gleiser.

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Fear Of Not Knowing

Wednesday, May 18, 2016

How can we acquire an outsider's view of a system that we belong to without compromising what we see? As we confront such questions, we are like a fish in a bowl, says astrophysicist Marcelo Gleiser.

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Of Life's Laws And Unity

Wednesday, May 11, 2016

Life, for all its remarkable diversity, displays also a remarkable unity; it would be amazing if life as we don't know it is, after all, life as we do know it, says astrophysicist Marcelo Gleiser.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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 ...

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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 ...

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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, ...

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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, ...

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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 ...

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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 ...

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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 ...

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