More than 43,000 years ago, Neanderthals spent centuries collecting animal skulls in a cave; but archaeologists aren't sure why

More than 43,000 years ago, Neanderthals spent centuries collecting animal skulls in a cave; but archaeologists aren't sure why

2,500 years ago, people in Bulgaria ate dog meat at feasts and as a delicacy, archaeological study finds

2,500 years ago, people in Bulgaria ate dog meat at feasts and as a delicacy, archaeological study finds