All the keys of coronavirus (SARS-CoV-2), the new invisible enemy

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It has certainly disrupted our way of life. No one expected it. Its arrival has been too abrupt and we are still assimilating it. We often boast about them for being too small and too simple. Maybe, but that does not mean they should be taken lightly. They are capable of causing economic recessions and … Read more All the keys of coronavirus (SARS-CoV-2), the new invisible enemy

The penis of female hyenas

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This occurs in the spotted hyena (Crocuta crocuta), whose females are more aggressive and dominant than males. They possess a false penis and scrotum (pseudo penis and pseudo scrotum). However, the truth is that they have an enlarged clitoris shaped like a penis actually, which is erectile and used to urinate. And the vaginal lips … Read more The penis of female hyenas

The Spanish bogeyman was real

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Some superstitions hurt… a lot. One of them was the origin of the children’s horror story that was used in Spain to control the behaviour of the children and which, most likely, has caused too many nightmares in several people. Under the succinct threat of “I’ll call the bogeyman!”, children had no choice but to … Read more The Spanish bogeyman was real

The world’s smallest deer: the pudú

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Pudu mephistophiles or Northern pudú It is the smallest deer (family Cervidae) in the world. It does not exceed 35 cm in height and 70 cm in length, and weighs between 3.3-6 kg. It lives in the high and cold steppes of the Colombian, Ecuadorian and Peruvian Andes. Its trunk is brown, the neck is … Read more The world’s smallest deer: the pudú

The palm oil controversy

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It is one of the most controversial substances nowadays. It has been filling the pages of the major media around the world for some time now. While it is true that it has many uses and is very profitable, marketing often hides its darkest secrets. It is when they have been revealed that society has … Read more The palm oil controversy

The fire that devastated the Prado Museum

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A tragic last minute news slipped into the inner pages of the newspaper El Liberal on the early morning of November 25, 1891: Last night’s catastrophe. Spain is in mourning. Fire at the Museum of Paintings, said the headline. The Prado Museum was burning violently. People crowded in front of that infernal spectacle. Wailing, crying, … Read more The fire that devastated the Prado Museum

The smallest african viverrid

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The Common Dwarf Mongoose  (Helogale parvula) is the smallest viverrid of the Afican continent. Viverrids are a family of carnivorous mammals that includes civets, ginets, mongooses and alike. Its small body barely reaches 30 cm in length, with a weight that usually does not reach 300 g. The tail can measure between 12-20 cm. Its … Read more The smallest african viverrid

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

Nazi secret weapons (part 2). Die Glocke, the antigravity bell

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We continue to expose some examples of the German Wunderwaffen from World War II. As with the ones we saw in the previous post, many of these new exponents were never built, or only reached the test phase at the most. Even so, they are still fabulous and impressive. If the reader has already been … Read more Nazi secret weapons (part 2). Die Glocke, the antigravity bell

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

Nazi secret weapons (part 1). The UFOs of the Third Reich

segunda-guerra-mundial-nazis-adolf-hitler-wunderwaffen-armas-milagrosas-aviones-a-reaccion-jets-panzer-maus-tiger-landkreuzer-p1000-horten-ovnis-ufologia-haunebu-enzian-foo-fighters-kugelpanzer-albert-speer-viktor-schauberger-schriever-leyendas-historia-tratado-versalles-diktat

Wars are always tragic, without exception. They feed on the worst of the human being, although the best of him can also be manifested. Solidarity, empathy, personal sacrifice… and creativity and imagination, even though they are often applied to the war. Whether we like it or not, wars produce important technical and scientific advances. Many … Read more Nazi secret weapons (part 1). The UFOs of the Third Reich