Sexual reproduction only exists in the human species because it guarantees our survival. If we didn’t exchange genes with each other, we would be a ripe dish for microbes, among other threats. Genetic variation prevents a disease caused by a…
(Felipe Sasso/Flickr) First, it’s important to know that lizards and geckos shed their tails of their own accord. This is not a masochistic crisis of self-flagellation, but a very clever strategy that helps the animal to save its life. When…
»> Have you heard of photons and gluons? Because they are the smallest components of the atom – formed by pure energy, they don’t even have mass. Photons are the particles of light baptized by Einstein, while gluons are called…
(/) There are several versions that try to decipher where the game came from, but none of them to date could be confirmed. It is believed, however, that it originated in China, invented by a soldier named Hung Ming, who…
Nymphomania, characterized by an excessive sexual appetite, is a psychiatric disorder – there are no biological reasons to explain its origin. According to the International Classification of Diseases (ICD), nymphomania is considered a compulsion, not related to the production of…
Yes. I mean: there are colors that, despite being detected by our brain, are not translated by our optical system, and we end up seeing them as white. Colors are formed in our mind from three primary lights: red, green…
“It depends on the methodology adopted”, explains Márcio Cardoso, an anthropologist from the Federal University of Minas Gerais (UFMG). The cranial structure is formed by 22 bones, eight of which are in the cranial box and 14 in the face.…
Introduction In the world of alcoholic beverages, it’s crucial to grasp the distinction between distillates and fermented drinks like wine and beer. Contrary to common knowledge, all distillates start as fermented liquids. For instance, the initial step in crafting whiskey…
By a combination of factors such as unpredictable avalanches and steep slope. At 8,611 meters, the second highest mountain in the world – second only to Everest – is the champion in terms of danger. For every four climbers who…
– (Gabriel Silveira/) Ethanol (or ethyl alcohol) is produced in plants from raw materials such as sugar cane, corn or beet. It is a biofuel, that is, a renewable fuel, which does not need materials of fossil origin, such as…