Miguel Ángel Criado

Research shows that it is more common in social species where there is lethal aggression between males and functions as an adaptive mechanism to reduce intrasexual violence

Neolithic farmers made the espadrilles 6,200 years ago with the same material that hunter-gatherers used for their baskets three millennia earlier

Spanish researchers have created a world atlas of the phenomenon, which has been found in 265 sites in 15 countries

Scientists have introduced arachnid genes into silkworms to produce threads as strong as nylon and six times tougher than Kevlar

Only 2% of known variations had been classified, but DeepMind’s artificial intelligence has increased that figure 18-fold

Przewalski’s stallions group their harems to protect them from rivals and predators, while females in the same group move together

Technology designed to detect nuclear tests thousands of miles away can capture explosions of all sorts — whether they are bombs, missiles or gunfire — in targeted cities

In 2022, four West Antarctic colonies collapsed because ice melted before the chicks were physically able to escape

Genetic analysis of a burial in Russia’s Ural Mountains shows that while the men stayed with the tribe, the women joined other groups

A new sequencing of his genome has dismantled the image of the man, who was killed 5,300 years ago

The glaciation that took place 1.1 million years ago drastically lowered the temperature, which caused a barren environment. This is according to a new study published by ‘Science’

The 3.4 million tons of polymers floating on the surface of the ocean indicate that the material remains in the water for years longer

Found in a Peruvian desert, just the skeleton of the ‘Perucetus colossus’ weighed more than seven tons, triple that of the blue whale

Word origins and ancient DNA reveal the evolutionary path traveled by the languages spoken by half the world

A study suggests that the globally decisive Atlantic water transport mechanism threatens to grind to a halt as a result of the global warming effect of current greenhouse gas emission levels

Hours before the earthquake, there is a subtle but accelerated displacement of the fault where the tremor will originate

Accelerometers record subtle changes in movement and sleep patterns, and this information could anticipate the disease long before it becomes evident

A review of dozens of traditional societies shows that the sexual division of labor in these communities is a myth

The evolution of fires in California shows how climate change is exacerbating the phenomenon around the world

The analysis of 90 scientific investigations concludes that living alone and having few social relationships shortens life

Recent studies show that light pollution affects the secretion of melatonin, alters the circadian rhythm and disrupts the intestinal microbiome

The GPS tracking of thousands of mammals confirmed that they moved more than usual, but only where strict confinement was applied over long distances

Satellite observations and a new climate model predict that the North Pole will lose all its ice each September

A new report quantifies the climatic, natural and pollutant limits that ensure the safe and orderly maintenance of civilization

The warmer winters of recent decades are altering a sophisticated survival strategy shaped by millions of years of evolution

Sumerian and Acadian texts recover the practice as both a show of affection between friends and family and as part of sex

A study of bones and teeth from the 19th century – recently unearthed in the United Kingdom – shows that children suffered from physical punishment, stunted growth and malnutrition