Daily briefing: Ancient Phoenicians spread their culture -- but not their DNA / Groundbreaking DNA study reveals when humans likely began talking / Cytology brushes: A new way to decipher the past with DNA from parchment pages / 'DNA study reveals societal stratification occurred 1,700 years ago' / DNA study cracks centuries-old mystery over origin of languages spoken by half the world / Ancient DNA analyses bring to life the 11,000-year intertwined genomic history of sheep and humans / DNA study reveals secrets of migrations across Europe 2000 years ago / Huge breakthrough as 'oldest DNA' discovered solving mystery of world's extinct lost race / TV tonight: the mind-boggling search for the world's oldest DNA / Scholars debunk myth of Roman settlement in China after DNA tests, doubt still draws tourists