Although we could have a resource problem or an environmental conflict, the truth is that the Earth is almost empty of humans: we could all fit comfortably on the Iberian Peninsula with a population density similar to…

A pale blue dot is a photograph of Earth taken by the Voyager 1 space probe from a distance of 6 billion kilometers. The image shows the Earth as a speck or point of light that is almost imperceptible due to the glare...

I think that, I think that, this is like this, this is like that, I am right, my ideology is... all of these are commonplaces not only in any bar conversation, but in debates.

However, the evidence is rarely talked about…