Hold L3 and press R1, L1,(X), Right at the pause menu. *Note* You will still die in water.
Alien Artifact Detector :
Complete all the Arkvoodle Cult missions in Albion. Speak to Shama Llama, then head to Bay City and complete the last Cult mission there. Then return to Shama Llama and do what he asks for the Alien Artifact Detector, which will cause nearby artifacts to appear on your minimap.
Furotech Cell Detector :
Finish all the Arkvoodle Cult missions in Takashima. This device causes all Furotech cells to appear on your minimap.
Final Arkvoodle Cult mission :
ollect 30 Alien Artifacts to access this final mission. The artifact detector can really help out with this. Completing this mission gets you the Datacore for the Burrow Beast weapon.
Collecting Alien Artifacts also will unlock various movies in the Archives.
On Solaris look at your map and look at the Blisk Base area. You can see a little spot of road to the right of the base. Go into the cave there and you'll see the black thing from 2000: A Space Oddessy. If you kill the humans in there and go out they will respawn. If you grab a human with your PK and throw them into the green water, then go back up, they will be stuck in the ground.
Go to Pox Mart and press (X), (Circle), (Square), (Triangle)