(/) Reader question – Wagner J. dos Santos, Campo Grande, MS The phenomenon responsible for this movement is heliotropism, which only occurs during the plant’s growth phase – when it blooms, it no longer moves. The movement occurs because the…
What is the biggest crocodile in existence? Rafael, Itabuna, BA It’s the porous crocodile. According to Guinness, the “book of records”, the largest specimens of this species reach more than 7 meters in length and weigh more than 1.5 tons,…
»> Nobody knows for sure, but probably not. Evidences about the existence of the city of Troy and about a war between it and the Greeks have already been found, but about the legendary horse, nothing. However, this story is…
1. The criterion adopted by the Ministry of Agriculture, Livestock and Food Supply (Mapa), which supervises this type of analysis, is quite simple: the density of the beverage is measured. Density is the ratio of its mass (measured in grams)…
Unfortunately, the history of torture is as old as civilization. Ever since human beings organized themselves into societies and established rivalries, they began to create techniques to cause physical pain or psychological terror as a form of punishment or information…
A gift from the French government to the US to celebrate the friendship between the two peoples, the statue was built in Paris between 1881 and 1884, based on a design by sculptor Auguste Bartholdi. The interior was made in…
Surprise!_Michael_Cunningham_by_David_Shankbone Because of the great rush of adrenaline in the body. Whenever there is a stress or emergency situation, this substance is released by the adrenal gland, located – as the name says – above the kidneys. When this discharge…
Even animals that seem insignificant or disgusting to some people have their importance, as they are part of a complex food chain. But it wouldn’t be the end of the world if any of the animals mentioned above disappeared from…
»> With its interior similar to a spiral labyrinth, the shell works as a sounding board, which concentrates and amplifies sounds, producing an effect just like the sound of the sea. This phenomenon, known as reverberation, is the sum of…
The famous disappearance took place on the night of May 3, 2007 at a resort in Praia da Luz, Algarve region of Portugal. The McCann family left England to holiday there, a beach frequented by many Britons. With three young…