For 10 points, "yellow hat" and "red hat" sects divide monks of what regional variant of Buddhism?
Matthieu Ricard, the son of French intellectual Jean-Francois Revel, abandoned his studies of molecular biology to practice this religious tradition. This tradition's principles are articulated by a royal family through policy in a country where kidus are given to deserving citizens. Legends in this tradition explain the bodies of devoted disciples shrivel up after death as they become a "rainbow body" in the sky. Difference between choosing (*) scholarly and tantric approaches to this religious tradition are reflected by sects of it named for different dyes used for headwear. Folk practices from the region where this tradition is practiced, such as the prayer flags of Bon, were incorporated into it by Guru Rinpoche. For 10 points, "yellow hat" and "red hat" sects divide monks of what regional variant of Buddhism?
Matthieu Ricard, the son of French intellectual Jean-Francois Revel, abandoned his studies of molecular biology to practice this religious tradition.
Tibetan Buddhism [accept specific varieties like Drukpa lineage or Red Hat sect or Yellow Hat sect until they are mentioned; prompt on Buddhism or Vajrayana Buddhism or tantric buddhism or Mahayana Buddhism; only Tibetan is needed after "Buddhism"]