Explore 25 Ancient Technologies That Were Far Ahead of Their Time. From Roman concrete to the Antikythera Mechanism, discover ...

Fragments of a star catalog from the second century B.C. have turned up in a manuscript that had been erased and written over centuries later. A new analysis of the religious manuscript shows that the ...

New, international standards for handling ancient genetic material draw support from many scientists, criticism from others. By Sabrina Imbler See more of our coverage in your search results.Encuentra ...