Lake Huron’s sinkholes have attracted the ... Not many organisms can withstand the cold, dark and oxygen-deprived conditions. However, the temperature holds at a fairly constant 38 degrees ...

CHICAGO (CBS) -- A mystery lurks at the bottom of Lake Michigan—and it's not a ... the newspaper that few creatures can live in the dark, cold sinkholes—which are constantly about 38 degrees ...

LAKE PEND OREILLE – After strapping on their drysuits and sliding into their fins, the dive teams of North Idaho are ready to float above nearly 1,200 feet of cold, dark water to complete a ...