Today, March 14, 2018, British physicist and cosmologist Stephen Hawking, one of the greatest scientists in history, died at the age of 76. Hawking had amyotrophic lateral sclerosis and died of complications from his disease. He had been diagnosed in…

»> There are about 1260 known species of this animal, which react differently both to the venom of colleagues of the same species and to that of different species. Many of them are extremely resistant: it would take an amount…

Yes! The weapon used in the Battle of Blackwater, in the penultimate episode of the second season of game of Thronesreally existed. According to the book A History of Greek Fire and Gunpowderby historians JR Partington and Bert S. Hall,…

It is a behavior of defense of certain animals, which simulate the own death to deceive predators. Practitioners include some mammals (such as possums), reptiles (lizards and snakes), amphibians (toads and tree frogs) and even fish. Brazilian examples are the…

»> For this, anemometers are used, devices similar to weather vanes. They are calibrated in wind tunnels so that the number of turns of their blades corresponds to a specific speed. It works something like this: in the wind tunnel,…

Packaged snacks are made in automated processes, without manual contact. Among the dozens of types that exist, we chose the four most popular to detail the manufacture: fried snacks, baked snacks, extruded snacks (those like “styrofoam”) and french fries. The…

ILLUSTRATES Andre Toma THIS ARTICLE IS PART OF THE COVER REPORT THE UNIVERSE OF ANGELS AND DEMONS. CHECK OUT THE OTHER PARTS: + How is the hierarchy of Catholic angels? + How was Lucifer expelled from paradise and turned into…

(nilimage/iStock) QAP means “I’m listening”, QSL is the same as “understood” and TKS is a way of saying “thank you”. These and more than 30 other acronyms make up the so-called Q code, created in 1912 in an international convention…

One_of_the_many_court_jesters_(8489822016) Everything indicates that they were the best comedians of their time, the Middle Ages. Contrary to what many people think, these commoners paid to entertain the nobility and royalty were not crazy, nor were they part of the team…

(Gabriel Góes/) Brazilians literally translated the US slang: “come out of the closet”. This, in turn, was probably created from two other expressions in the English language. In the 19th and 20th centuries, “come out” (“go out” or “disclose”) was…