Ecology

Immagine

The Frejus tunnel doubles: opens the second rod of the most strategic road tunnel in Europe

Frejus tunnel, French side. Credit: Florian Pépellin, CC By -a 3.0, via Wikimedia Commons Officially enters today, July 28, 2025, the Second rod of the Frejus tunnelone of the most important transalpine connections between Italy and France. After several years of work, almost 13 km connection Unidirectional in the gallery will allow a safer, modern circulation, in compliance with the ...

indovinello dei cappelli e dei prigionieri

The riddle used by Google to select the staff: prisoners and hats

The riddle of prisoners and gods hair It is a famous logical puzzle, also known for being used by Google in the staff selection interviews. The goal of this test was to evaluate the logical thought of the candidates and understand who among them was able to think out from schemes. There are different variations, but in all there are ...

progenitori neuroni

The human brain can also produce neurons from adults: because it is an important discovery

The human brain Store stem cells able to proliferate and mature potentially in neurons also in adulthood. This is the remarkable discovery of a study recently published on Science and conducted by researchers of the Karolinska Institute, who For the first time managed to demonstrate the presence of progenitors of neurons in the hippocampus (a region of the brain important ...

Immagine

How to play the game of 100: the first one who reaches the figure wins

The game of 100 It is a simple game that It can be played everywherejust have a mind and opponent! It works like this: it is said alternately a number each and the first one who manages to say the number 100, wins. Clearly, there are rules that establish at each turn what numbers can be said by the two ...

enclavi

The curious case of the enclaves, states within other states: there are only three in the world

The enclavs they were completely surrounded by the territory of another state. Today there are only three in the world: San Marino and Vatican city, both in Italy, and Lesotho, inside South Africa. Are so few because all the lands emerged of our planet, obviously with the exception ofAntarcticahave been divided into the approximately 200 States which cover every square ...