![Stone tools from the Korolevo site in Ukraine.](https://imagenes.elpais.com/resizer/v2/CTER44QBWFCCZGIRQV6E5QSEMI.jpg?auth=80f79656de0e35d496ddcc8b32ee069f5f39c030b3f29039fc6b42ef6abb3f92&width=414&height=311&smart=true)
Europe’s oldest traces of humans have been found in Ukraine, far away from Russian bombardments
Stone tools carved 1.4 million years ago shed light on the route of the first hominids to set foot on the continent
Stone tools carved 1.4 million years ago shed light on the route of the first hominids to set foot on the continent
We are a collection of atoms that have been dancing through the cosmos for billions of years. What is the cosmic age of our bodies? And for that matter, what is Earth’s?
A breakthrough experimental treatment has succeeded in permanently deactivating a bad cholesterol gene in mice, without modifying their DNA
The intimate practice of journaling and therapeutic writing forces us to go within the land of our desires, fears and tragedies, providing space for emotional release
Dogs experience dreams and nightmares where they recall waking moments, often provoking body movements and sounds during sleep
The conceptual artist delves deep into the computer vision systems that teach machines how to perceive images
A study by the firm Oliver Wyman proposes eliminating bureaucratic obstacles to attract foreign talent while creating institutions that can coordinate with the private sector
Infection from contact with people is a major threat to the survival of these species
The discovery on the satellite shows that these types of seas that could harbor life are abundant in the Solar System
The nearby Blue Lagoon thermal spa, one of the island nation’s biggest tourist attractions, was closed when the eruption began and all the guests were safely evacuated
An invasive species of the insects caused a chain reaction in the savanna that left the big cats unable to hunt zebras
Recent studies support neuroscientific hypotheses using mathematical arguments, even with limited empirical evidence
These deep wrinkles can be prevented and treated. Expert dermatologists tell us how to prevent them from appearing and becoming permanent
An experiment with prairie voles — small, fluffy rodents — explains how reuniting with an old partner generates a rush of dopamine that declines as time passes
Bárbara Tapia Cortés from the World Meteorological Organization explains how El Niño and global warming are affecting the region
Dana-Farber Cancer Institute, a Harvard Medical School affiliate, announced Jan. 22 it’s requesting retractions and corrections of scientific papers after a British blogger flagged problems in early January
Stars are born. Then, they live and die. And, for them, death is usually quite a dramatic process of complete destruction. Why is this the case?
It is necessary to discover whether the allergic reactions are caused by congeners, histamines, yeasts, sulfites, additives or allergens of plant origin in beverages
A mismatch between the time of meals and the human body’s biological clock increases the risk of diseases because many organs function on a schedule
High school teacher Joe Clement is the co-author of a book that has opened the debate in the United States about childhood ‘overdoses’ on tablets and mobile phones
We are entering uncharted territory in this climate crisis and we must act like an endangered species
EL PAÍS data expert Kiko Llaneras has put together a list of data points that show that — contrary to what we may believe — we are making progress in a number of important areas
The gases of the interstellar medium are the raw material from which stars are built. This is the fuel that keeps galaxies ‘alive’
The journal highlights their reduction of cardiovascular incidents and the possibilities they create for treating conditions as diverse as addictions, Alzheimer’s disease and Parkinson’s disease
The researcher designed a new method to make safer drugs and more sustainable chemicals and proteins
A University of Delaware report says global inequalities are reaching alarming levels, resulting in an overall annual loss of $2.1 trillion
The wild animal was found abandoned in a private house in a war zone and transferred to a rescue and rehabilitation center in Alicante