![Some of the first sewing needles, of various shapes and sizes, found at various sites in Eurasia.](https://imagenes.elpais.com/resizer/v2/LPLUFARKKRE4XGPESMLDEIBS4Y.jpg?auth=d3a33e469e9a8f0101b76b475371fe6d2b9745848004357402b46f0955cdc82f&width=414&height=233&focal=606%2C423)
How eyed sewing needles facilitated the expansion of early ‘Homo sapiens’
The invention of these tools allowed humans to make multilayered clothing and perhaps even underwear to protect them during in the ice age, argue the authors of a new study
The invention of these tools allowed humans to make multilayered clothing and perhaps even underwear to protect them during in the ice age, argue the authors of a new study
The genome of two dozen specimens shows that the species thrived in isolation on Wrangler Island for thousands of years before suddenly being wiped out
These macaques reduced their chances of dying by almost half after become more accepting of others and of sharing scarce resources
Chemical analysis of several plants ingested only in specific instances show that they inhibit the development of pathogenic strains of bacteria such as ‘E. coli’
Of the more than 60 species of megafauna that existed during the last ice age, only eight remain and most are in critical danger of disappearing
New research has shown that the species use individual vocalizations to call specific members of the herd, which go beyond mere imitations of the addressee
Its extended DNA would have a length of about 300 feet… 50 times longer than that of humans
Higher temperatures and excess fertilizers have disrupted the rate of decomposition of organic matter in waterways
The first global calculation shows that the metabolic cost of reproduction is three times higher for mammals than it is for cold-blooded animals
Desert agriculture has increased in certain areas despite advancing drought in arid lands
The ape covered his face with chewed leaves that contain berberine, an extract that is available in pharmacies
A group of scientists finds the oldest signal of the planet’s magnetic field in the the Isua Greenstone Belt in Greenland
Groundwater extraction and heavy skyscrapers are key factors in an accelerating trend
Thousands of hours of observation of communities of both species debunk the former’s peaceful image: males are three times more aggressive than the latter
The first examples of ‘incaprettamento’ appear in cave paintings in southern Italy dated to the European Mesolithic period
The compilation of millions of documents shows that agriculture had lost its hegemony to manufacturing long before the advent of the steam engine
Chimpanzee and gorilla habitats are located close to operational and preoperational mining areas for materials that are essential for key technologies and the green energy transition
The alteration could affect timekeeping and, ultimately, counteract today’s need to add a leap second to the year every so often
The main mechanisms of conservation are known, but there are thousands of pieces that have been preserved for millennia without any knowledge of how it happened
A study with mice and post-mortem human tissues shows how generalized fear can occur even in the absence of objective threats
Some female odontocetes extend their lives to bring up their grandchildren
These types of mutations follow Mendelian patterns of inheritance. For the animal to be born brown-white, both its parents must carry the mutation, even if they are black-and-white
Experiments on mice and human cells uncover a previously unknown element that impacts tactile sensation
Scientists now know when the great engine of global ocean circulation completed its loop, contradicting the theory that the current is responsible for the glaciation of Antarctica
An analysis of the animal’s larynx reveals how they adapted to communicate underwater and their physical limits producing sound
Genetic analysis of thousands of ancient DNA samples has found four cases of rare chromosomal mutations in sites in Navarra
A study with groups of bonobos, chimpanzees, orangutans and gorillas shows that they share humans’ capacity for levity