The inner sarcophagus of King Tutankhamun, who ruled during the 18th dynasty of ancient Egypt Buddy Mays / Alamy A collection of roughly made clay trays and wooden staffs found...
Yersinia pestis bacteria viewed with an electron microscope Connect Images/Alamy An ancient ancestor of the pathogen that would later cause the Black Death and other major pandemics has been identified...
Rectangular buildings became common from about 10,000 years ago, as seen in this reconstruction of the ancient city of Çatalhöyük in Turkey selimaksan/iStockphoto/Getty Images Buildings with corners have a much...
