HumansAncient people carved mysterious symbols near dinosaur footprints A unique site in Brazil features rock carvings closely associated with dinosaur tracks, suggesting prehistoric people saw the footprints as meaningful ¿ìè¶ÌÊÓÆµ
HumansMedieval horses buried in London had far-flung origins Isotopic analysis of horse teeth from a medieval burial site suggest that the animals were imported to England from Scandinavia or the Alps, perhaps for use in battle or jousting ¿ìè¶ÌÊÓÆµ