A team of archaeologists in Spain has applied a new dating technique to more precisely determine the intervals between hearth fires from the Paleolithic Age.This research, published in the journal Nature, reveals that the hearths at El Salt, a Paleolithic site, were used over 200 years with intervals of decades between uses. This suggests that Neanderthals returned to this site over multiple generations, challenging previous assumptions about their mobility and settlement patterns...a novel combination of archaeomagnetic and archaeostratigraphic analyses... leverages the magnetic properties of minerals in the fire pits to record the orientation of the Earth's magnetic field at the...