BISMARCK — The North Dakota Game and Fish Department determines the age of about 1,500 fish a year on Lake Sakakawea. That information, derived from age rings in a fish's otoliths, a small inner-ear ...
Using a DNA-based age clock, scientists believe that the Steinhart Aquarium in San Francisco is home to the world's oldest aquarium fish. Scientists from the California Academy of Sciences now ...
Earth’s biological history stretches far beyond the age of dinosaurs. Hundreds of millions of years ago, prehistoric seas and ...