The greatest symbol of resistance to slavery in the history of Brazil appeared in the last decades of the 16th century, in an area where today the border between Alagoas and Pernambuco is located. In the beginning, the Quilombo dos…
– (Breno Macedo/) Humans have never needed cutting-edge technology to study the stars. Stonehenge, that famous circle of rocks in the United Kingdom, is the best proof of this: erected over 3,000 years ago, it is still standing today, made…
It is the star VY Canis Majoris, about 2.7 billion km in diameter, that is, more than 3 million times larger than the Sun. However, using the term “astro” to talk about planets, stars, meteors and other structures that make…
It is a religious movement, which, in the mid-20th century, began to recognize the first black emperor to govern an African country as the incarnation of the messiah on Earth. Despite this, Rastafarianism is not considered an official religion, as…
The subject is controversial, after all light is not something material that you can pick up a handful and put on the scale. But, in a recent article, American astrophysicist Laura Whitlock, from NASA, said that a photon (a particle…
– (Playback/Playback) In fact, although Moses, David, Solomon and many other Old Testament characters have not been officially canonized, they are indeed considered saints by the Catholic Church. “They are the holy patriarchs”, says theologian Irineu Rabuske, professor at the…
In theory, eggs with two yolks could generate two chicks, but what is seen in practice is that neither survives. This happens because the air chamber inside the egg – essential for completing the chicks’ lung cycle – is too…
If a radioactive leak is suspected, a plan is put into action to lessen the effects of the possible accident. To determine the scope of the emergency measures, the area around the plants was divided into safety zones, which take…
It is the Seikan Tunnel, which is in Japan and reaches 53.8 kilometers in length. It is closely followed by the much more famous Eurotunnel, which connects France and England under the English Channel. But the classification of the largest…
They were underground galleries explored in the 18th and 19th centuries to supply the nascent English industry. Extracting about 100 million tons of coal per year, England exchanged human effort for locomotives, looms and spinning machines, driving the Industrial Revolution.…