»> There are two favorites in this controversial dispute: in extension, the British Empire; in duration, Chinese. But this is the kind of question that historians avoid answering without posing several caveats. For them, an empire has neither borders nor…
Reader Question Lucas Jose Cruz, Pirai do Sul, PRIllustrates Marcos de LimaEdition Felipe van Deursen The exact reason is not known. The phenomenon, called myokymia, happens when the sympathetic nervous system (connected to functions such as pupil dilation and increased…
»> Because at the time this nickname appeared, it was considered something out of fashion – just like the samba-canção, a popular style that had its heyday in the 1940s and then declined. This slow and romantic form of samba,…
»> All animals, including single-celled organisms, alternate between waking and resting states. But this does not mean that they sleep according to the human concept of sleep. As they do not have eyelids, fish cannot close their eyes and their…
»> Spines, in fact, are thin, pointed bones that make up the skeleton of 90% of fish species. “Like mammalian bones, fish bones are basically composed of calcium carbonate,” explains biologist Leandro Sousa, who holds a master’s degree in ichthyology…
illustrates Gabirotcho edition Felipe van Deursen With specific digital platforms. The process is simple and more democratic than traditional publishing, since, to have your book printed and sold in bookstores, you need a contract with a publisher or pay out…
This is just a myth. These animals can see colors, yes, although in a more limited way than we do. Unlike humans, who have three types of pigments in the retina capable of capturing blue, red and green (which, combined,…
illustratesAndre Toma editionFelipe van Deursen Attention Deficit Hyperactivity Disorder (ADHD), better known as Attention Deficit Disorder (ADD), is a condition in which there is inattention, hyperactivity and/or impulsivity. These signs must manifest themselves persistently and, in addition, they must impair…
Campos do Jordão (SP). According to the Brazilian Institute of Geography and Statistics (IBGE), the city, nestled in the Mantiqueira mountain range, has an average altitude of 1,628 meters, which makes it the coldest in the country, according to the…
The urbanization of a favela begins with the survey of the problems that affect the region. From the lack of basic sanitation to the absence of asphalt, the obstacles vary – even the location of the settlement can be a…