Battle of Hattin

01Hanson's 1998 paper listed nine developmental steps from dead matter to star-colonizing civilization; each step is a candidate filter.
02Finding microbial life on Mars, Hanson argues, would be the worst possible news — it suggests the filter lies ahead, not in abiogenesis.
03Hanson also developed 'futarchy,' a governance system where policy is decided by prediction markets rather than elected officials.

Recreation of Martin Luther King Jr. 's cell in Birmingham Jail at the National Civil Rights Museum

Saladin personally beheaded Raynald of Châtillon after the battle, then offered water to the captured King of Jerusalem — and withdrew it. The True Cross was captured and never returned. Crusader Palestine died here.