text: X-Prize for world #39;s  #39;Holy Grails #39; A series of X-Prizes for the scientific or technological breakthroughs that tackle the most important challenges facing humans are being planned.
inputs: X-Prize for world #39;s  #39;Holy Grails #39; A series of X-Prizes for the scientific or technological breakthroughs that tackle the most important challenges facing humans are being planned.