Strangeness of life: amazing cat-headed caterpillars!

The long body of the caterpillar of Mycalesis gotama.  © Wapi-chan

The caterpillarslarval forms of butterflies, are the favorite meal of many birds and other insects carnivores. To increase their chance of survival, the caterpillars have developed all sorts of dissuasive strategies: strange shapes, colors sharp, poisonous hairs or stinging, etc It’s unclear whether caterpillars evolved to scare birds away, but the resemblance is striking. Strangely,

35 years ago, a supernova exploded in the southern sky

Back in images on its evolution between 1987 and 2019. At the rate of four years per second, this NASA video shows the explosion of the supernova which occurred 35 years ago, in 1987. Given its distance from Earth, these events actually happened 168,000 years ago. The dying star first expelled the ring of matter

Pets are good for our brains

Walking your dog, stroking your cat are all activities that make pet owners happy. According to a study presented at a neurology congress in the United States, our four-legged friends also help prevent cognitive decline in seniors. You will also be interested [EN VIDÉO] Once upon a time there was a dog who knew how

Pets are good for the brain

Walking your dog, stroking your cat are all activities that make pet owners happy. According to a study presented at a neurology congress in the United States, our four-legged friends also help prevent cognitive decline in seniors. You will also be interested [EN VIDÉO] Once upon a time there was a dog who knew how

This technology can reveal everything that hides underground

Researchers have managed to locate a tunnel under a meter of earth. Using a quantum gravity gradiometer. A technology that shows itself, for the first time, capable of leaving the laboratory and coming into contact with the realities on the ground. You will also be interested [EN VIDÉO] Quantum mechanics explained in video What is

Unique 9,000-year-old ritual site discovered in Jordan

Two human-shaped stelae dating from 7,000 BC have been unearthed by archaeologists in Jordan.  © Jordan Tourism Ministry via AP

You will also be interested [EN VIDÉO] Archaeology: the bodies of two men excavated north of Pompeii Excavations carried out at the beginning of the year in Pompeii revealed two new victims of Vesuvius’ past wrath. Discover the images of the work carried out by the archaeologists on site. © Pompeii Sites An archaeological excavation

Botched encryption exposes millions of Samsung smartphones

You will also be interested [EN VIDÉO] Kézako: how is data encrypted on the Internet? Cryptography is the oldest form of encryption. There are traces of its use until 2,000 BC. This technique still used today, especially on the Web, reveals its mysteries on video thanks to the Kézako program from Unisciel and the University

GPS: is the shortest route the safest?

You will also be interested [EN VIDÉO] Kézako: how does a GPS work? The GPS (Global Positioning System), present in many land, air and sea vehicles but also in a majority of smartphones, is now part of our daily lives. Unisciel and the University of Lille 1 explain to us, with the Kézako program, how