This articles are science divulgation, and are usually the outcome of long conversations with Luis Felipe (who coauthors all this articles), a good friend of mine.

They've been published in La Jornada´s science section called "Los Lunes en la Ciencia"

What did Dolly´s cloning really mean?

El Camarada Lysenko  http://www.jornada.unam.mx/1999/jun99/990607/cien-camadara.html

What can happen when ideology gets in the way of science?

Ecologistas vs. Corporativos http://www.jornada.unam.mx/1998/dic98/981228/cien-polemica.html 

Some scientists say global weather changes are simply part of a natural process we can't understand yet. But some say we are the ones to blame for it. Who's right?

!Que no le tiemble la mano! http://www.jornada.unam.mx/1999/feb99/990215/cien-tiemble.html 

Chaos theory is one of the 20th century´s most interesting ideas. This intends to be a small introduction to it.

Rentabilidad de la Clonación http://www.jornada.unam.mx/1998/nov98/981130/cien-clon.html 

Dolly's cloning started a huge hype (and a little bit of paranoia) about cloning other animals (and humans) for commercial purposes. Would such kind of business be profitable at all?

Genes do determine some aspects of who we are and what we do. But are genes really everything?

Nubes y Fractales http://www.jornada.unam.mx/1999/may99/990517/cien-nubes.html 

Clouds, stones, and ourselves are not as simple as squares, rectangles and circles, which is about all the geometry available for most people. But if rectangles and circles are not enough to describe, among other things, our physical shape, then what can? Fractals!

Planck en el País de las Maravillas http://www.jornada.unam.mx/1999/ene99/990111/cien-felix.html

There is in physics, a place where things behave as strangely as Wonderland´s characters: the Quantum World.