In a major advance in science, DNA from Bronze Age skeletons is providing clues to modern medical mysteries.Carl Zimmer, who covers life sciences for The Times, explains how a new field of study is changing the way we think about treatments for devastating diseases.Guest: Carl Zimmer, a science correspondent who writes the Origins column for The New York Times.Background reading: Ancient Skeletons Give Clues to Modern Medical MysteriesMorning Person? You Might Have Neanderthal Genes to Thank.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.