Sure, we've come to love the X Prize for all of its crazy futuristic car building and moon racing contests, but the latest competition is decidedly smaller -- at least in one sense. For the Archon Genomics X Prize, the foundation is asking teams to sequence "medical grade" human genomes -- 100 of them, in fact -- using the DNA of 100 centenarians (folks who've made it to the ripe old age of 100), referred to pithily as the "Medco 100 Ove
