Human races are nonexistent. The farce of racism

las razas humanas no existen-racismo-supremacismo-creencias-odio

Let’s be clear from the beginning: racism is an invention of human stupidity. If we think about it, there is nothing more absurd and simplistic than attributing someone an intellectual or innate inferiority because of their morphology or ethnicity. Racism is a belief based on a single principle: that within the human species, population subsets … Read more

Jasper Maskelyne, the magician who fooled the Nazis

jasper maskelyne-el mago de la guerra-segunda guerra mundial-erwin rommel- el zorro del desierto-alemania-el cairo-alejandria-bahia maryut-afrika korps-luftwaffe-magia-ilusionismo

He was a little-known British illusionist, unlike his father and grandfather. That’s probably why Jasper enlisted in World War II, to exploit his skills as an illusionist with which he didn’t succeed in England. He would not use weapons against the Germans, but cunning and illusionism. His most famous interventions occurred while he was stationed … Read more

A blood sacrifice to invoke Slenderman

slenderman- asesinatos-creepypasta-creepypastas-morgan geyser-anissa weier-intento de asesinato-invocar a slenderman-slenderman pelicula

Slenderman is a character born on the Internet, a “creepypasta” (a neologism derived from the computer command “copy-paste”). We could say that he is the personification of some of our most atavistic fears, such as the fear of being watched by someone or something we cannot see, one of the pillars of our survival instinct. … Read more

What did Einstein mean by “God does not play dice with the universe”?

albert einstein-dios no juega a los dados-fisica-fisica cuantica - aleatoriedad-determinismo-indeterminismo-particulas elementales

Albert Einstein, the genius par excellence, said many remarkable things throughout his busy life. But one of his best-known and most misunderstood quotes is the following one, which he left written in a letter to his colleague the mathematician Max Born: “Quantum mechanics is certainly imposing. But an inner voice tells me that it is … Read more

Is “La Gioconda” Leonardo’s mother?

mona lisa-la gioconda- museo del louvre- leonardo da vinci- misterios de la gioconda - obras de arte - arte - cuadros famosos - cuadros misteriosos - la sonrisa de mona lisa - caterina di meo lippo - madre de leonardo da vinci - lisa gherardini del giocondo- ausencia de cejas y pestañas

Pacifica Brandano, Isabella Gualanda, Constanza d’Avalos, Isabela de Aragón or Leonardo da Vinci himself have been some of the alternatives used to find out the true identity of the woman with the mysterious “sfumatta” smile between layers of paint. The “woman of the eternal mystery” we could call her, since the authentic model whose effigy … Read more

5 curiosities you didn’t know about the Apollo 11 mission

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Although today we remember it as an honorable and impressive episode, the truth is that stress and anguish predominated in the Apollo 11 mission. The odds of returning from the Moon safely were really low. Maybe that’s why president Richard Nixon preferred to watch his back by having a memo written entitled In Event of … Read more

Some curiosities about the skin

organo mas grande-capas de la piel-funciones piel-termorregulacion piel-funcion excretora-curiosidades de la piel-epidermis-dermis

The skin is the largest organ of all vertebrates. Its main functions are: Protective (in terrestrial vertebrates it protects from drying out as well). Sensitive or sensory:  perception of pressure, temperature, vibration… Excretory: elimination of waste substances. In some vertebrates it also participates in thermoregulation and water balance through sweating and vasodilatation-vasoconstriction. For example, when it … Read more

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 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 world’s smallest deer: the pudú

pudu-mephistophiles-norteño-ciencia-animales-zoologia-biodiversidad-ciervo-cervidos

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 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 smallest african viverrid

mangosta-enana-Helogale-parvula

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 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 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 giant fake “mosquito”

tipulido-diptero-zoologia-biologia-mosquito-animales-insectos

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