Ecology

effetto loto

Why are the leaves of some plants water-repellent? The lotus effect, what it is and how it works

THE’lotus effect it is the ability that some plants have – like the they shake or “mist tree”, the lotus and the cabbage – to “self-clean” its leaves thanks to details super-hydrophobic properties due to molecular microstructures and nanostructures present on the leaves themselves assisted by a waxy layer which makes the leaves extremely waterproofso much so that when they ...

Immagine

The oil market today is worth 3000 billion dollars and will continue to grow

Among the markets of raw materials none come anywhere near the size of that of the crude oil. In 2024 it reached a value of 2990 billion of dollars, increased by 6% compared to 2023 (2830 billion). This is a figure much higher than that of market of top 10 metals combined: the market of iron, in fact, which represents ...

perche si dice gli manca un venerdi

Why do we say “he’s missing a Friday” to describe eccentric or not very bright people?

The Italian expression “He/she misses a Friday” (with the variants “He misses some Fridays” and “He doesn’t have every Friday”) is a saying widespread in many regions of the country and, especially in the Centre-North, it is used to describe a person who seems like a bit out of the ordinary or slightly bizarre in behavior. The saying probably refers ...

differenza tra azioni e obbligazioni

What is the difference between stocks and bonds? And what causes its value to fluctuate?

Actions And bonds there are two types of financial instruments which can be bought or sold in the financial markets (primary and secondary) and, in particular, in Bag. For simplicity we can imagine the stock exchange as a large market where many different financial instruments are bought and sold, which we can compare to different types of fruit, whose prices ...

Test QI

Is the IQ test a reliable tool for measuring our intelligence?

The IQ test is an indicator that measures the level of general intelligence based on the answers provided to a series of questions that evaluate an individual’s verbal, logical and analytical, mathematical, mnemonic and spatial visualization skills. But is it a reliable tool for assessing a person’s intelligence? According to studies in recent years, this method is actually quite outdated, ...

Cobalto minerale estrazioni

Cobalt: what it is, uses and social implications of the precious metal for new technologies

The cobalta silver-coloured mineral but known for the blue pigments used since ancient times, is certainly not among the best-known metallic materials: in fact, we are usually dealing with objects made of aluminium, iron, or metal alloys such as steel or bronze . Despite this, it is used for millennia for ornamental purposesand is a fundamental component of vitamin B12, ...

truffa prefiss india pakistan

New scam on WhatsApp with prefixes +91 and +92, how to defend yourself and block those who contact us

If you have recently received messages about WhatsApp coming from numbers with international prefixes such as +91 (India) And +92 (Pakistan)be aware that you may be the subject of a possible scam. These prefixes, in fact, have been associated with new scam attempts on WhatsApp. Usually, the first contact occurs via an introductory message which, in approximate and formal Italian, ...

2024 anno piu caldo

2024 will be the hottest year on record: what the new Copernicus climate report says

«After the first 10 months of 2024, it is now virtually certain that the 2024 will be the hottest year on record and the first year at more than 1.5°C above pre-industrial levels.” To declare it is Samantha Burgessdeputy director of the Climate Change Service of Copernicusthe European Earth monitoring satellite programme. According to Copernicus data and analyses, the period ...

Uova di gallina di colori diversi

Why are some eggs pink, others white or even blue?

If we think about the color of egg shell the classic will immediately come to mind rosebut we know well that eggs can also be colored white. In truth, there are also eggs, of course celestial, green or brownand we are not talking about duck, quail or pheasant eggs, but about classic eggs hen. So what is this difference in ...