While archaeology in Egypt is stymied by population, uncovering Angkor is a challenge due to dense forests and landmines. Although the temple of Angkor Wat draws more than two million tourists a year, the surrounding ruins hold untouched archaeological treasure. Stephen Studd/Getty

On this week’s episode of Cocktail Party Science, host Chuck Cage and articles editor Michael Moyer sit down with Mara Hvistendahl, author of “The Space Archaeologists” to find out why archeology has gone high-tech and how the future might save the past.

Download the episode here, or subscribe to the iTunes feed.