How not to die in space: A day in astronaut Sara García’s training
The Spanish scientist has begun her relentless training to become an extraterrestrial being. EL PAÍS accompanies her for a day in her new life
Revolutionary technique reconstructs the 3D genome of the woolly mammoth, bringing de-extinction one step closer
The ‘chromosome fossils’ from a female who died 52,000 years ago in Siberia have opened a window to a world still unknown to science