As the human body is powered by oxygen, the last cells to die are those that least need oxygen: the epithelial cells of the cornea. The lower dependence on oxygen has two explanations. First: the corneal cells are almost not…
Continues after advertising Continues after advertising 1) ACCESSORIESOn the side of the stairs there is a rigid pipe that takes the water to a nozzle, operated by remote control. Thus, the combatant does not even need to climb. It is…
O habit to celebrate the birth day arose in ancient Rome. Prior to that, there were already offerings, like the cake, but there was no festival as such. The origin was linked to the idea that, on the birthday date,…
(/) Illustrates: Will Leite The term has nothing to do with the color, but with maturation: the corn is still “green”, that is, it is not ripe. Until it is at the right point to be harvested green, corn takes,…
1) Since 1795, the English and the Dutch had alternated in control of the region that is now South Africa. The struggle for possession only ended with the Boer Wars (1880-1902), won by the United Kingdom. The country recognized the…
To make it easier to catch fish. The gular pouch, popularly called the crop, allows the pelican to catch larger prey without them escaping – which is common among birds that hold food with their beak. “That way, they spend…
Among the most bizarre are: liger, zebralo, grolar bear and wholphin. According to researchers, about 10% of animal species can interbreed with other species. Mixing can happen naturally or be stimulated by man. “Most of the hybrids were bred in…
Since independence in 1822, Brazil has had nine coins. The first, which already circulated here at the beginning of our colonization, was the réis, a name derived from the real, the monetary unit of Portugal in the 15th and 16th…
– () ILLUSTRATES Leonardo Matos QUESTION Alberto Joel Holdefer, Porto União, SC It is a thick liquid obtained from the sugar common kitchen ingredient, sucrose. When sucrose is mixed with water and heated in the presence of an acid, its…
(/) Because she doesn’t need to be fast! Its shell offers such sure protection against predators that there is no need to waste energy walking at speed. “This protection is so efficient that, in about 200 million years, the turtles…