Categoría Oddities

What if Hitler had won World War II?

The Second World War, which took place between 1939 and 1945 and pitted the Allies (United Kingdom, France, Soviet Union and USA) against the Axis (Germany, Italy and Japan), was the greatest confrontation the world has ever seen. It was…

How does the human eye work?

1) A pupil regulates the incoming light, like the diaphragm of a camera. In brighter places, it closes, avoiding an “overdose” of light. Already in the dark, it dilates. The variation ranges from 2 to 8 mm in diameter –…

What is the strongest acid in the world?

It is the fluorantimonic, whose acidity exceeds the highest found in nature: 100% sulfuric acid. The mixture of hydrofluoric acid and antimony pentafluoride is considered the strongest among super acids and was created to react with materials that others cannot…

How does a diamond mine work?

In most cases, giant machines dig for the gems, which are separated from the gravel by weight and identified by a sophisticated x-ray system. Mines are created in regions with a high concentration of a type of rock, called kimberlite…

How and why do cicadas sing so loudly?

»> Insects utilize sound for various purposes such as communication, attack, defense and mating. In the case of cicadas, the song is used by males to attract females and thus perform copulation. “The cicadas’ song is produced by an organ…