Marcelo Gleiser

The waters of genetic meddling are murky; in a new book, technology futurist Jamie Metzl reviews where we've been in the past as a guideline for where we might be headed.

The physicist's posthumous book highlights his belief in the rationality of nature and in our ability to uncover its secrets — and a faith in science's ability to solve humanity's biggest problems.

An "unspoken alliance" between scientists and the military had been brewing for millennia prior to Hiroshima. Neil deGrasse Tyson and Avis Lang excel at detailing this union and its possible future.

In 13.7, we aimed to present the passion, the drama, the social and intellectual relevance of science as one of the deepest expressions of engagement with the unknown, says physicist Marcelo Gleiser.

Positive scientific results aside, the idea of shinrin-yoku shouldn't be surprising: Who hasn't felt an inner sense of well-being when walking along a forest trail? asks commentator Marcelo Gleiser.

We all stand to lose from the gulf between the sciences and the humanities, and the classroom is the ideal place for conversations between these two cultures to unfold, says professor Marcelo Gleiser.

Showing science's enchanting side has the almost magical effect of opening new portals to what is possible, says astrophysicist Marcelo Gleiser.

Unfortunately, we are failing in the goal to make our children's world better than our own — and those who deny it won't have to see the consequences of their choices, says blogger Marcelo Gleiser.

While there is no question that exercise is good for you, the question now is whether there is an upper line we should not cross, says Marcelo Gleiser.

There's something deeply moving about watching the sun become progressively covered by the moon — and you have a rare chance to see this in the U.S. on Aug. 21, says astrophysicist Marcelo Gleiser.

The idea of a conscious universe seems to fly in the face of our deep-seated materialist worldview, whereby all existence is due to material particles and their interactions, says Marcelo Gleiser.

A new mega-study has found that American runners, except for the elites, are getting slower. Blogger and avid runner Marcelo Gleiser discusses with the authors some theories on why this is the case.

Less meat is good morally and environmentally, but no meat may not be as good as some may think, says blogger Marcelo Gleiser.

Kílian Jornet says failure is an opportunity to try again; it motivates him to try harder. This is a lesson we can all take home, whatever mountains you choose to climb in life, says Marcelo Gleiser.

We've made huge strides in understanding the nature and composition of the physical universe, says astrophysicist Marcelo Gleiser, but it's clear that much remains to be learned — as it should be.

It may be that to explain where the universe came from is an impossibility for our causally-based, logically-oriented, experientially-functioning minds, but we must keep trying, says Marcelo Gleiser.

Cosmic expansion stretches space itself, as if space were made of some kind of stretchy rubber material; there is no physical border, only stretching space, says astrophysicist Marcelo Gleiser.

CERN has said that the Linac 4 booster for the Large Hadron Collider is ready. The hope is that with higher speed and luminosity, unknown particles may be found, says astrophysicist Marcelo Gleiser.

In a case like The Lost City of Z, it's better not to take the details as serious history; instead, be inspired by the drive that propels a courageous few into the wild to discover for all of us.

USAFacts.org and Wikitribune.com are worthy initiatives in the fight against fake news, but even a fact-based narrative can't be separated from who's telling and hearing it, says Marcelo Gleiser.