Ecology

bernabeu

Because the grass of the football fields has the strips of different shades of green

The Santiago Bernabeu stadium of Madrid. Credit: لchi روسagon, cc by -sa 3.0 via Wikimedia Commons If you have ever watched a game of soccer On TV, you will have seen that the lawn never appears to be a uniform green. The field, in fact, is divided into great bands rectangular, more clear and more dark. How do you explain ...

Immagine

The US nuclear test considered a failure, what happened during the crossroads operation

The crossroads operation of 1946 was carried out by the US government to test the effect of nuclear weapons on an open sea fleet. The plan was to carry out three tests (Able, Baker and Charlie) but the disastrous result of the first two pushed the military leaders to close the operations before expected, simultaneously marking the end of the ...

Immagine

What are expropriations and how they work

The expropriation is a legal procedure used by the Italian State, or by other public bodies, for the realization of public works or, more generally, cope with needs of public utility. Represents the way in which the state becomes the owner of something not his and can concern any indiscriminately Well immobile present in the area and is regulated by ...

Immagine

The boulder of Newall of Stonehenge was modeled by man, not transported by glaciers

Stonehenge. Credit: Garethwiscombe, via Wikimedia Commons Many things are still not clear of the story of stonehengethe famous English archaeological site dating back to the Neolithic and composed of a circle of erect stones. But a mystery seems clarified: the origin of the “blue stones”. Recent analyzes have shown that the little one “boulder of Newall“, Long considered a glacial ...

crollo-ponte-cina-cause

As the bridge in China collapsed, the technical analysis of the accident: interview with the open

The bridge collapsed in China Credit: NFSC Red Leaf Canada, via X. In the north-western province of Qinghaiin China, an arc bridge has collapsed during the construction phase: the accident caused the death of 12 workerswhile 4 are still missing. The infrastructure should have been completed by the end of August, becoming the largest double -track continuous railway bridge in ...

Oleandri autostrada

Because on the highway there are so many oleanders: from road safety to biodiversity

Graphic representation generated with IA. The reasons why trees of oleander They are manifold. The main ones have to do with the road safety: being poisonous, the oleanders they keep animals at a distancewho instinctively do not approach and, therefore, do not cross the roadway. In addition, oleanders can act as natural barrier in the event of an accident. Other ...

Immagine

When the Sahara was an ocean: the incredible Wadi al Hitan whale valley

View on Wadi al Hitan. In the foreground the fossilized spine of a basilosauride. Credit: Guy DeBonnet, CC By -SA 3.0, via Wikimedia Commons Few know that in Egyptamong the dunes of the desertthere is one of the sites paleontological most important in the world, or “Wadi al Hitan“(In Arabic the”Valle delle Balene“), where the fossilized bones of ancient marine ...