In this visualization, based on data collected by scientists, we see Earth changing — its plants, surface winds, and sea currents responding to the energy coming from the sun.
December 4, 2017
We owe our existence to little photosynthetic bacteria — but there is much more to this story, as life can only mutate and adapt when the planet offers the right conditions.
November 15, 2017
We know how damaging and costly, in many ways, such natural phenomena can be — but the devastation is not surprising, once you know how much energy is involved.
September 13, 2017
In reality, Earth's days are getting longer. To change our perception that time goes more quickly as we age, we need to carve in a bit of time to just be.
April 19, 2017
As a species, we can be proud of our remarkable scientific prowess: This is an ongoing effort, a narrative we build slowly, gathering data and ideas that stretch our imagination.
December 27, 2016
Thoughts of colonization of other planets aside — stuff that stands far away in the future — our problems are right here and right now, affecting us globally.
November 8, 2016
Even with all the uncertainty in the numbers, we seem to be marching towards a point of saturation, where our current practices and needs will exhaust what the planet can offer.
August 2, 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.
July 5, 2016
The next time you hear a scientist say something like "The more we know about the universe, the less important we become," beg to differ: The reality is precisely the opposite.
February 16, 2016
Given that there are trillions of worlds in our galaxy alone, circling hundreds of billions of stars, it would be a true statistical fluke if Earth were the only harbor for life.
February 9, 2016
In honor of Earth Day, Marcelo points us to a trailer of the new movie, which calls for a change in perspective — a new way of relating to each other and to the planet.
May 6, 2015
The notion that other intelligences exist in the universe is pervasive in popular culture: Aliens are often portrayed as evil invaders. Marcelo ponders whether we should worry.
February 25, 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.
February 4, 2015
New human possibilities materialized with the arrival of the the Enlightenment in the 17th and 18th centuries. Marcelo says its time to pick up the banner and move forward again.
July 30, 2014
We don't often think about it but we are deeply connected to the universe and deeply indebted to mother Earth. Marcelo thinks its time we treated her with respect.
June 1, 2014