We are indeed in an emergency. Let there be no doubt about that. But if there is one thing that is even more paralysing than not accepting the situation we are in, it is saying that our house is on fire and then calmly keep watching television.

Astrochemistry studies their abundance and composition and posits potential chemical pathways that might have led to the presence of such molecules in a particular environment

Greta Thunberg and our young people remind us that we cannot keep looking the other way. Otherwise, we will be denying our sons and daughters – and ourselves, of course – the right to life.

We now have more information than ever about nutrition. But, at the same time, we have great difficulties to identify reliable information and, above all, to understand the limitations of science to answer so many of the questions that we make ourselves about how the food we eat and the food we avoid affects our health.

Recent aerosol technology, the science of acrylic painting, and the mural painters who preceded them were decisive for the emergence of contemporary graffiti

We have to resort to less comfortable and more tangled phrases such as raw material or unprocessed product, because we run the risk that the next time we tell our patients to eat «natural products», they end up buying broth, refined bread or juice.