Artaban, the mysterious fourth Wise Man

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The day when the peculiar star of Bethlehem indicated to the Three Wise Men the time of the Epiphany, a fourth Wise Man was also informed of this event, an Iranian Zoroastrian priest who was waiting for the prophetic sign to set out on his journey: Artaban. His goal was to meet the other Wise … Read more Artaban, the mysterious fourth Wise Man

Why does the year start on January 1st in our culture?

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It might seem a rhetorical question because of its obviousness. A year has 12 months, so it is logical to place the annual restart in the first month calends of the sequence. But this was not always the case. The beginning of the year for the Romans began on March 1st, the month that paid … Read more Why does the year start on January 1st in our culture?

The prodigies that originated the Christmas tradition of hanging socks in the chimney

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In many countries, families hang socks on or near chimneys for Santa Claus to fill them with gifts. Well, this tradition would have its origin in the generosity of the real Santa Claus. St. Nicholas of Myra or Bari was a bishop from Turkey. He was born in Patara in the 3rd century A.D. in … Read more The prodigies that originated the Christmas tradition of hanging socks in the chimney

The seedless watermelon IS NOT transgenic

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It’s probably one of the most common table talk conversations of the summer. When a watermelon is cut and the seeds are not perceived, a suspicion, a worry, a distrust, even a fear emanates from us. It seems unnatural, scientific witchcraft. The term “transgenic” will come out disdainfully and quickly from the person who has … Read more The seedless watermelon IS NOT transgenic

The giant fake “mosquito”

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More than one has been shocked after seen these alleged mosquitoes. They look like imposing and huge mosquitoes, but in fact they are Diptera of the Tipulidae family, also known as crain flies. True mosquitoes are also Diptera but they belong to the Culicidae family. They are thin, delicate-looking insects with long and thin legs, … Read more The giant fake “mosquito”

The mythical origin of the Dollar sign

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Since the last century, the Dollar has been the reference currency of the international economic system. Its sign is unmistakable and inseparable from the contemporary world. It personifies wealth, power, possession and even an entire country. A very simple character in appearance: an S crossed by two vertical bars (although its variant reduced to an … Read more The mythical origin of the Dollar sign

The most lethal living being on Earth

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This is the sea wasp or box jellyfish, Chironex fleckeri, a kind of jellyfish of the Cubozoa class: It inhabits shallow, turbid oceanic waters of Australia and Southeast Asia (although during the breeding season and polyp phase they can be found in rivers). The bell (“body”) is cube-shaped and translucid (Φ15-24cm). From each of the … Read more The most lethal living being on Earth

The uncanny valley effect of robots

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Machines have become an indispensable tool for humans, to the point that some of them have become practically another extremity of our organisms, both literally and metaphorically if we refer to our indispensable mobile phone. Some of them already reproduce our anatomy, physiognomy and behaviour with a sinister realism, perhaps to make them more familiar … Read more The uncanny valley effect of robots

Manowar’s Guinness records

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Many Heavy Metal lovers have their hair bristle when they hear the name of Manowar. Currently formed by Eric Adams, Joey DeMaio, Anders Johansson and E. V. Martel, they are experts in the creation of authentic musical hymns, celebrated and extolled all over the world, not in vain have sold nearly 10 million records. But … Read more Manowar’s Guinness records

Why do bees die after stinging?

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Only worker bees sting when they are in a desperate situation, but not all bee species sting. The stinger is a hollow tube through which the poison passes and that is attached to some internal organs. Apart from the poison, it is important to remove the stinger immediately because when the bee stings, it releases … Read more Why do bees die after stinging?

The fastest primate

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It is the patas monkey: Erythrocebus patas. This Old World Monkey is the fastest primate, since it can reach  56 km/h running. Males of this species weigh about 10 kg and females about 6 kg. Their legs and tails are long. They have a reddish-brown hair with lighter and darker areas. This species lives in … Read more The fastest primate

The “false” surname of Miguel de Cervantes

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Miguel de Cervantes Saavedra, the genius of literature capable of immortalizing several literary works. A name that is repeated unceasingly and that is taught from an early age. Name: Miguel. Surname: de Cervantes Saavedra. But here there would be an error according to a recent theory exposed by the researcher Luce López-Basalt. The writer from … Read more The “false” surname of Miguel de Cervantes

The cause of the smell of damp soil

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This smell, called petrichor, which pleases many people, is perceived after the rain. The responsible is a substance called geosmin (aroma of the earth in Greek). Geosmin is produced by Streptomyces coelicolor or Albert’s bacteria, although it is also produced by some cyanobacteria and filamentous fungi. This bacterium is found in most soils, and apart … Read more The cause of the smell of damp soil

When Spain almost got involved in World War I

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It is well known that Spain did not participate in the tragic and destructive First World War. Both the country and its colonies remained neutral between 1914 and 1918. However, there were occasions when Spain was almost forced to participate in the conflict. In 1916, after two years of siege, French and English troops conquered … Read more When Spain almost got involved in World War I

The largest rodent

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It is the capybara (Hydrochoerus hydrochaeris), also known as chigüire, chigüiro or carpincho. It can measure 50-60 cm high and 1.3 m long and can weigh… more than 50 kg! This species lives exclusively in South America. It lives in more or less numerous groups in the vicinity of watercourses. A curious feature is that … Read more The largest rodent

When sirens were birds

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Classic sirens have not always been the beautiful half women and half fish beings. The first descriptions characterized them half woman half bird, and they were daughters of Achelous, the Greek spirit-god of the homonymous river, or god Phorcys, and of the nymph Calliope according to some versions or of some muses according to others. … Read more When sirens were birds

The slowest terrestrial mammal

Bradypus tridactylus, the pale-throated sloth, belongs to the supraorder Edentata, just like the armadillo and the anteater. Ground speed: 2.44m/min (0.105km/h), although it increases slightly when climbing trees using its 3 long claws, reaching 4.57m/min (0.272km/h). Its neck has a great mobility, it can turn it almost 360º. It almost never descends to the ground, … Read more The slowest terrestrial mammal

The densest forest of Juniperus thurifera is in Soria

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Did you know that the world’s densest forest of Spanish junipers is in Spain? Specifically in the medieval Soria town of Calatañazor. This Natural Reserve is home to 150-210 Spanish junipers (Juniperus thurifera) per hectare, which are also considered to be the highest in the world (some are over 15 metres high). Spanish junipers have … Read more The densest forest of Juniperus thurifera is in Soria