Archaeologists have long assumed that Maya tools like obsidian blades, bone needles and even stingray tails found in ritual contexts were used for bloodletting rituals. The problem is, it's hard to be ...
Libby Purves meets actor Brian Cox and singer June Tabor. Coming up at: 21:58 Weather View full schedule Maya relief of royal blood-letting (made early eighth century AD). Stone; from Mexico It's ...