In fact, our veins are not green, but more whitish. We see them as green because of the optical phenomenon resulting from the mixture between the color of blood and that of our skin. The thing happens like this: the…
It’s a part of the Universe that astronomers know exists, but they still don’t know exactly what it is. It is matter, because its existence can be measured through the gravitational force it exerts. And it’s dark, because it doesn’t…
ILLUSTRATIONS Cecilia Andrade It works as a kind of lens that illuminates the house without using electricity, just reflecting sunlight. The cool thing is that the lamp costs nothing, as it is made from recycled materials, and can save up…
It is a lifestyle focused on decreasing participation in the capitalist economy and minimizing the impact on the environment. The term is a fusion of “free” (which has to do with freedom or the absence of costs in English) and…
It is very difficult to identify, with 100% accuracy, all the ingredients responsible for the taste of soda. Firstly, because some elements may appear in the formula in a tiny percentage, well below 1%. Second, because even an isolated ingredient…
»> Yes. As with us, humans, cats, dogs and other mammals can also be identical twins. “But it is very difficult to know when this occurs”, says veterinarian Gelson Genaro, from the University of São Paulo (USP) in Ribeirão Preto…
There are four species, out of a total of 13 existing on the planet: the blue whale (Balaenoptera musculus), the gray whale (Eschrichtius robustus), the northern right whale (Eubalaena glacialis) and the bowhead, or roundhead (Balaena mysticetus). This, however, does…
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(Doug Lira/Strange World) There are several factors. An adult, who has never had a squint, can develop the disease due to metabolic diseases (diabetes and thyroid disorders), high blood pressure, stroke, high myopia, traumatic brain injury, etc. The good news…
ILLUSTRATES George Schall 1) Born in Beaufort, France, the 15th child of a poor peasant family, Vacher demonstrated explosive and sometimes violent behavior. In an episode of cruelty, Vacher drove the family herd to an isolated pasture and broke the…