Among other things, they've proved the presence of water, discovered potentially useful minerals and uncovered evidence that the Moon may still be geologically active.
The oldest water, discovered 2.4km down in a deep mine in Canada, has been dated to between one billion and 2.5bn years old.
So far, however, the only water discovered on Mars has been locked away in ice sheets.
With only two members of each team allowed to be in the water at a time, my four-member team decided to split up, two on the boat searching and waiting for the official handoff and two in the water discovering their inner conchmen.
Although not my first time there, I thought that two weeks weren't enough to mingle more with its upbeat people, experience more flaming sunsets, get lost staring at more intense shades of Aegean blue waters, discover more secluded places, walk more aimlessly in labyrinthine stonewashed streets or connect more deeply with local contemporary art.
Artesian mineral waters, discovered in 1903, became known for their therapeutic properties.
Over the course of two seasons, Halligan and Waters discovered butchered mastodon bones and a handful of other stone tools, though none as old or technically impressive as the biface.
Bond, after visiting the Americans and learning that the encoder had been tampered with, goes to the South China Sea to investigate the wreck (which was actually in Vietnamese waters), discovering one of its cruise missiles missing.
Once they finally push off into the water, they discover that the motor doesn't work, and they must paddle the entire 100-mile distance.
"Someone drilling for water cannot discover halfway through the process that they have failed to anticipate a specific problem — a mineral deposit that requires a special drill bit, for instance," he points out.
