Neither the best technology, nor hard-working ants, can map very far underground, and rock formations differ.

WSJ: In Geology, Old-Timers Can Be Worth Their Weight in Gold

We got a brief eyes-on with Fujitsu's demo, which shows off the eye-controlled tech working with a map application.

ENGADGET: Fujitsu eye-tracking tech uses built-in motion sensor, infrared LED for hands-free computing (video)

The unassuming Indian-Kenyan entrepreneur is working relentlessly towards putting African software on the global map, and he is succeeding.

FORBES: Meet Kenya's Bill Gates - Kamal Budhabatti

Since January 2012, UNESCO has been working in the drought-affected countries in the Horn of Africa to identify and to map groundwater resources for an aquifer that will provide at least 200, 000 cubic meters of renewable water every year.

UNESCO: NATURAL SCIENCES

Hwang Min-woo, a 28-year-old South Korean who contributed to the North Korea map, said he began working on it after trying to use Google Maps on a trip to Laos four years ago and finding it inadequate.

WSJ: Google Maps Details Streets, Prison Camps in North Korea