It’s the Kurdish people, a group of some 36 million people that spreads across eastern Turkey, northern Syria and Iraq, and northwestern Iran. Until the early 20th century, Kurds cared little about owning a country, leading a life of itinerant…
»> It is extremely rare for this to happen, unless the victim is a small animal. In this case, the thorns – which can reach more than 30 centimeters in length – can pierce a vital organ and cause death.…
Why does it get more attention? In case of accidents, the black box – which stores flight data – needs to be tracked in places that are difficult to access, such as the bottom of the sea. Therefore, in addition…
The toothpick burns because its head is made of substances that make the spark from friction with the box turn into a flame. Then, the fire consumes the wood of the toothpick for about 10 seconds. The process is well…
Yes it is true. The earthworm is a hermaphrodite annelid, which means that it has both male and female reproductive systems. With this, it is able to produce both sperm and eggs. But even so, she cannot self-fertilize. “For reproduction,…
This Japanese martial art, which emerged in the 1920s, is a fusion of the Daito-ryu Aiki style of jiu-jitsu with the precepts of the Omoto-kyo religious movement. The result is a style of circular movements, pushing and twisting, in which…
More than 100 ships and planes have disappeared since the end of World War II between the Bermuda archipelago, the state of Florida, in the United States, and the city of San Juan, in Puerto Rico. The limits of this…
ILLUSTRATES Marcos de Lima Toilet paper Ox, horse and camelIn quadrupedal and herbivorous animals, it is common for the tail to be brush-shaped, articulated and with leafy hairs at the end. It is used to protect and clean the anus…
»> No object can exceed 1.08 billion km/h – the speed of light in a vacuum – because all bodies gain mass as their speed increases. At first glance, this idea seems absurd: How is it possible for us to…
Yes, every thought consumes energy. According to a study done by the US National Center for Biotechnology Information, despite representing only 2% of body weight, the brain promotes intense metabolic activity. Especially active areas are the prefrontal and premotor lobe…