Crispr-Cas9, the gene factory

Nobel 2020. The biochemists Emmanuelle Charpentier, French, and Jennifer A. Doudna, from the United States, were awarded the most important prize in science with equal merit and with the following motivation: "For the development of a method for genome editing."…


The Sun is heating up again: a new solar cycle is beginning

Summer has just ended but the sun has yet to start to "warm up". Our star is a huge furnace that doesn't always work the same way but, like our mood, has ups and downs. There are times when the…


Is there life on Venus?

We call them "Martians" because, in science fiction, Mars has always been the natural home of extraterrestrials. In fact, of all the planets in the solar system, Mars is the prime candidate to host life, after Earth, of course. Indeed,…


A simple and ingenious invention

There are objects so simple and ordinary that we forget their existence when we don't need them. Their presence is unobtrusive but important because, almost without us noticing it, they improve the quality of our lives. Very often they are…


The Earth seen from above: signs of fires

This image was taken by the ASTER sensor installed on the NASA TERRA satellite platform. The image was taken on 27 July 2005 and shows the north-eastern part of Sardinia. The RGB representation is composed of the 8-3-2 bands of…


Holidays, yes! but they must be sustainable!

We have been speaking of sustainable behaviours to apply to our daily life, but what happens when we unplug and go on holiday? The choice of a dreamlike location often distracts us from responsible habits we had with regard to…


Earth viewed from above

Remote satellite sensing: what it is and what it is used for In the scientific field, the images produced by the sensors on board Earth observation satellites make it possible to observe vast territories and investigate beyond simple human vision.…


The Last Wild Valley. In defence of the Cime Bianche

The Vallone delle Cime Bianche or Courtaud Valley rises at the top of the Val d'Ayas, in Valle d'Aosta. It is an unspoilt alpine environment, the last area in the whole Val d'Ayas where there are still no roads, ski…


A virus’s life

What are viruses Virus is a Latin word meaning poison. Viruses do not eat, breathe, move or reproduce on their own. So then, what kind of life is it? None, viruses are not technically alive. A virus is a little…

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