
The grandmother hypothesis: How humankind owes its success to matriarchs
The dependency of children favored longevity and reinforced cultural and biological change among humans

The dependency of children favored longevity and reinforced cultural and biological change among humans

Barcelona’s Clínic Hospital announces hopeful results for people with multiple myeloma. Developed through the public system, the cost is lower than commercially available products

The situation in the country’s education centers is the worst it has been since they reopened in September 2020, with a record number of outbreaks recorded in December

El Roto cartoon, December 21, 2021

With coronavirus cases on the rise, epidemiologists assess which types of restrictions are more effective at reducing transmission

Miguel Hernán, a professor of epidemiology at Harvard University, talks to EL PAÍS about the spike in coronavirus cases, the need for greater restrictions and whether omicron will overtake delta

With transmission rates rising 60%, five regions are due to propose that outdoor masking be reintroduced, while Catalonia has proposed a curfew in its territory