The tools of archeology used to be simple: shovels, picks, brushes. Sure, those are still an essential part of the toolbox. But today’s archeologists are also using everything from underwater jet packs to infrared satellite imaging to probe more deeply into our collective past.
What do we get for all this technology?
Nothing less than the very thing that makes us human, argues Brendan Foley, an underwater archeologist with Woods Hole Oceanographic Institution.
"Is it a return on investment? Is it our stock portfolio?" he asks.