The best way is to do an evaluation by the Body Mass Index (BMI), which is calculated taking into account the weight and height of the person. “This index is very good to get an idea of the population because…
»> 10.5 million known km³ without reusing any water = consumption of 16.3 trillion people in one year. Assuming the population stabilizes at 10 billion people in 2050, we have water for 1600 years yet. WHERE WATER IS USED 69%:…
(Juliana Caro/Marcos de Lima/) Each eyelid has, on average, 100 to 150 eyelashes, which have an average length of 10 mm. The daily average growth of each strand is 0.16 mm and we lose about five strands per day –…
Reader Question Robson Vilanova Island, Sao Sepe, RSIllustrates Yasmin AyumiEdition Felipe van Deursen They are fossilized feces of people or animals. The word comes from two Greek terms: copros (“faeces”) and lithos (“rocks”). In general, the coprolites form when excrement…
It was a direct line of communication between the US government and the Soviet Union during the Cold War. Ironically, it was not a telephone (it was a teletype, a kind of electromechanical typewriter connected to a telephone line), and…
Penguins are divided into 17 or 18 species – a number that causes disputes among specialists. Most of them live in Antarctica and the subantarctic islands of New Zealand, but some prefer slightly less icy waters in South America, Australia…
Invented in the 1950s by André Cassagnes, Etch A Sketch has become one of the most popular toys of all time, with more than 100 million units sold worldwide. Taken to the 1959 Nuremberg International Toy Fair, Cassagnes’ design didn’t…
– (Icarus Yuji) ILLUSTRATES Icarus Yuji 1) Adolf Hitler (1889-1945) it wasn’t German. He was born in the Austrian village of Braunau Am Inn, on April 20, 1889. There are suspicions that his paternal grandfather was Jewish. His father, Alois,…
»> Because he manages to dismantle the molecules of oxidized iron, cleaning the rusty parts. The secret is that lemon juice breaks up the “marriage” between iron and oxygen atoms that form rust. This happens because the liquid of the…
– () ILLUSTRATES Matthew Santolouco 1) Son of a couple of Polish descent, Theodore Kaczynski born in chicago in May 1942. Kaczynski was a reclusive boy and a frequent victim of teasing from peers for being considered odd. Despite the…