(Felipe Martini/) Reader Question Arthur Lima, Brasilia, DFIllustrates Felipe Martini – (Felipe Martini) It is that of the colossal squid, measuring 35 cm in diameter. That animalwho lives in the depths of Southern Ocean, also holds the title of largest…
»> No, not all. Only vertebrates, with a few exceptions, have blood with this color – caused by the presence of iron-rich cells, called hemoglobin, which have a reddish hue. Vertebrates, it is worth remembering, are divided into five major…
Determining the Farthest Points from Brazilian Cities Introduction The farthest point from a Brazilian city depends on the region chosen as the starting point. This article explores the antipodal coordinates of various Brazilian cities, providing intriguing insights into their farthest…
First, it is necessary to clarify that they are not entirely black. It’s people who perceive them that way, because the base of storm clouds really is darker. The main reason for this pitch is that rain clouds are quite…
It was built in London over 150 years ago. The inaugural stretch was 6 kilometers long, which were opened following the layout of the streets in the center of the English capital, which greatly facilitated the works. Soon this pioneering…
It is possible, yes – and this is already happening in several countries where fresh water from rivers, lakes and dams is scarce. Today, more than 100 nations, mainly in the Middle East and North Africa, have plants that remove…
In most cases the change is a translation of the original name into another language (for example, the change from Hrvatska to Croatia or Croatia) or simply a disagreement about the characteristic that justifies the name. To make it clearer,…
Probably the winner was the US edition of November 1972, which featured model Pamela Rawlings on the cover. Even without official data – in the United States, the magazine’s circulation only began to be audited in 1994 -, the publisher…
Scientists have not yet come to a definitive conclusion on the issue. But most of them put the hawkmoth moths at the top of the list of fast-moving insects. “They usually fly at night and their wings are shaped like…
»> Even though we don’t understand very well what these markings are for, we’ve gotten so used to it that a football field without them is a bit lame. Therefore, Placar and explain the usefulness of these two designs and…