A researcher at the Deep Carbon Lab in Greenland. Credit: Jacopo Pasotti We know that organisms not only populate the Earth’s surface, but also the soil. What is difficult to imagine is that life could even go so far over 10 km deep underground. Yet there is evidence of the existence of microorganisms even at these depths: how is this ...
A persistent ringing in the ear and no train arriving: it’s thetinnitusor tinnitus. This is a condition that affects a large portion of the population, but despite being so common, its origin is not knownalthough the most recent theories propose that it arises from interference in the nervous pathways and the transmission of sounds between the ear and the brain. ...
There Budget Law it is an act with which every year Parliament authorizes the Government to withdraw and use the public resources (public money) in its administrative activity. In other words, every year, the Government prepares a bill to be approved in Parliament, where it establishes how they will be distributed the sums available and to determine the fiscal policies ...
Image created with AI. A recent article appeared in the scientific journal Nature reports the discovery of the exoplanet K2-360 b distant from Earth 764 light years in the direction of constellation of Virgo. This alien world is a so-called super-Earthor an object with a mass slightly greater than that of the Earth, approximately 7.6 times in this case. It ...
When we eat garlic And onion some volatile molecules, in particular theallyl methyl sulfidepass from the intestine to the bloodstream, reach the lungs and are expelled through breathing (in the case of garlic also from glands sweat found on the skin). So bad onion or garlic breath doesn’t come from pieces left in the mouth, but directly from our lungs. ...
From a geological point of view, ice is a mineral in all respects, as are quartz, diamond or calcite. Put like this, this sentence might seem absurd, given that the word “mineral” is generally associated with the idea of rock and not to that of “waterfall”. However, as we will see, ice meets all the geological criteria necessary to be ...
The double glazed windows they are fixtures that have not one but two layers of glass usually separated by a layer of air or other gases. The main advantage of this technology is that the layer between the two glasses is a thermal insulator which hinders the transmission of heat from inside to outside of the room in the winter ...
About 5.5 million from years ago a critical and almost catastrophic transformation has reshaped the Mediterranean Sea: this geological event, which lasted almost 700,000 years and known as “Messinian salinity crisis” (from the name of the geological period in which it occurred) and resulted evaporation of almost all the water in the Mediterraneantransforming it into a vast expanse of salt ...
During the war in Vietnamone of the most insidious dangers for American soldiers were the traps of Punji Sticks. It was about pointed sticks designed to inflict serious injuries to the lower limbs and force soldiers to stop, often with devastating consequences. The punji sticks were made up of poles of bamboo, wood or metal, which were planted vertically on ...
A chess engineor chess engineis software designed to play chess with a skill level that surpasses even the best grandmasters. With each move, these programs evaluate the positions on the board and they decide the best move to make using complex artificial intelligence algorithms. Chess engines combine three fundamental components: the position representation, the search algorithm and a rating function. ...