No traffic jams for ants

When the number of ants increases on a path, their flow increases in turn to achieve a certain constancy, unlike humans who themselves, beyond a certain threshold of density, slow down to cause a plug. Explanations. In human societies, traffic congestion perfectly illustrates the problem associated…

Rhinos lived in the Yukon 8 million years ago

Fossilized remains found in 1973 in the Yukon and recently analyzed show that the territory was populated 8 to 9 million years ago by ancient rhinos and turtles. These rhinos were about two meters high and three meters long. They were certainly among the largest…

Hygiea, the asteroid that wants to become a dwarf planet

Using the Very Large Telescope (TGT), recent observations of the Asteroid Hygiea, show that its dimensions place it in fourth position of the largest objects in the main asteroid belt, after Ceres, Vesta and Pallas. It is thanks to the SPHERE instrument installed on the…

How the resounding failure of a telescope led to this impressive X-ray image

The X-ray image above shows one of the neighbors of the Milky Way, the Great Magellanic Cloud. In this image you can see vague gas emissions, stars, distant galactic nuclei and in the center the remains of a supernova discovered for the first time 32…

are we really alone in the universe?

The premise of the ET film and the extraterrestrial is not about to be realized, since the most advanced researches to date have not allowed to detect signal associated with the presence of an intelligent life around the neighboring stars of our solar system. Our…