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…



Help! a storm! Man has always been afraid of lightning, in fact in the past lightning was considered a sign of the anger of the gods, but in reality, even though lightning may seem an exemplary punishment, the possibility of…


Spring is back

While the temperatures of the last days of winter and the first shoots and buds on the trees had already announced it, on 20 March spring officially began again at 4:49 a.m. (Italian time). At that exact moment, the Sun…


Energy and renewable sources: what is the current status?

The relentless growth of renewable energy sources continues... The Renewable Energy Policy Network for the 21st Century (Ren21) periodically publishes data and statistics on the market, industry, investment and policies regarding renewable energy sources worldwide. These data are illustrated and…


Let’s find out about viruses

Parasites at the edge of life Virus is a Latin word meaning poison. Viruses are pathogens (they make you ill) but they do not feed, breathe, move or reproduce independently. So then, what kind of life is it? None, viruses…

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