LifeEurope’s cave bears may have died out because of their large sinuses Plant-eating cave bears vanished when ice spread across Europe – maybe because their large sinuses prevented them chewing meat to adapt to the new conditions ¿ìè¶ÌÊÓÆµ
HumansHomo erectus used two different kinds of stone tools Skull fragments from Homo erectus found alongside stone tools in Ethiopia suggest the ancient hominin used more tool technology than we thought ¿ìè¶ÌÊÓÆµ