to join other divers from all over the world on an ice diving training course. The trainees plod gingerly around two rectangular entry holes that they've cut in the lake's ice. It may be the ...
"We recorded an ancient structure resembling a castle at a depth of about 15 meters near the coast of Akdamar Island." ...
Researchers are newly documenting a community of algae that hang around just under the ice surface using samples collected by ...