Removing the [confederate] flag from this state’s capital would not be an act of political correctness. It would not be an insult to the valor of Confederate soldiers. It would simply be acknowledgement that the cause for which they fought, the cause of slavery, was wrong. President Obama delivered the following eulogy at the funeral…
Our age is experiencing a great ignorance about the future, bearing in mind that when we talk about the future today, five years are already many. So the future is now more uncertain than the future of yesterday. This greater uncertainty seems to be the price we pay for technological advances. Autopoietic system as we…
3,500 million years ago, the world changed and ceased to be anaerobic (no oxygen use). This process was due to cyanobacterias, the inventors of photosynthesis. Cyanobacteria began to absorb hydrogen from water molecules and release their oxygen like garbage. As a result, over millions of years, the planet was oxidized (the examples are evident in…
el blog d'en Marc Oliveras 