curiosities

The man who revolutionized physics

The masters of the Earth

Gnathonemus petersii is the scientific name for the elephant fish, which lives in warm waters of West Africa, from the Niger River basin to the Congo Basin, as well as in the Benue, Zaire and Ogun rivers, and in Lake Chad. In its tail there is an electrical organ that emits low intensity discharges with a frequency of up to 80 times per second. By measuring the variations of the electric field that surrounds him through more than 5000 sensors distributed throughout his skin, he can orient himself, detect objects (and food) in his environment, communicate with his peers ... he is even able to swim with ease. behind.

Also known as the wet or the "mui", the tongue is a multipurpose and versatile organ with 17 muscles that we use to taste, swallow, speak, breathe ... And of course, to kiss. These are some curious facts that you should know about her.

Heterodon platirhinos is a reptile popularly known as a pig's snout snake, alluding to the flattened shape of its nose. He lives in Canada, the southern United States, and northern Mexico. Its colors vary from brown to olive green, and there are even reddish tones.

It is not the firefly, but the firefly (Pyrophorus noctilucus), also known as tucu-tucu. It is a beetle from tropical America, about three centimeters long, oblong, brown and with two yellowish spots on the sides of the thorax.

In recent years there is a lot of talk about tourist trips to space. This fact has led us to ask ourselves ... How do astronauts weigh themselves in space if there is no gravity? We explain the curious method they use to control their weight.

It is Myotis lucifugus or brown bat, which lives in the United States, Canada and Mexico. This small flying mammal, with nocturnal habits (the epithet lucifugus means 'that flees from light'), prefers to live near streams or lakes, and nobody surpasses it as an insect hunter: it is capable of trapping 1,200 mosquitoes in a practically dark hour.