useful+facts


 * fact || value || source ||
 * The worlds population is || **6,852,472,823** || http://geography.about.com/od/obtainpopulationdata/a/worldpopulation.htm ||
 * The surface area of the earth is || The total surface area of the Earth is 5.1 × 108 km2 || http://en.wikipedia.org/wiki/Earth#cite_ref-112 ||
 * The minimum number of people required to get a population off the ground is || 70 || [|here] and [|here] ||