Finding it in living players is considered by many researchers to be the "holy grail" of concussion research, according to Bailes.

CNN: Scan may detect signs of NFL players' brain disease

It is often hard for them to imagine a life outside holy orders, which could be their fate if they alienated the bishop who has a hold over their salary, pension and private life.

ECONOMIST: The Catholic church in America

As with the perennial struggle over the horrors of medical malpractice, the question of whether or not to screen for cancer is one of those health-care Holy Wars that will never be resolved merely shunted off into another who-pays economic grind-down because where data ought to rule, emotion will always overrule.

WSJ: Are Doctors Screening Too Much for Disease?

Race, religion, creed and sometimes even gender are supremely relevant if the Holy City, a complex web of separate Jewish and Arab districts, is ever to be divided peaceably into the capitals of two states, Israel and Palestine.

ECONOMIST: Jerusalem's settlements

The holy month of Ramadan, considered to be a time of peace and giving, is when Muslims across the world fast from dawn until dusk, and its observance is one of the five pillars of Islam.

CNN: Iraqi violence overshadows start of Ramadan

There will be no official inauguration (it is Holy Year after all), nor any restrictions on children and teenagers whose entry will be left to the discretion of their parents or teachers.

ECONOMIST: Archaeology