Paleontologists seldom have the good fortune to find a complete set of remains of an ancient organism that is wholly intact. For instance, the discovery of a frozen woolly mammoth carcass, preserved hair and all, was a...
One name looms large for the general public when the word "evolution" is mentioned: Charles Darwin. Of course, others are quite aware that Alfred Russel Wallace co-discovered the theory of evolution with Darwin, a fact...
The "Life System" is a component of the course series (TESY) developed by Columbia University and Barnard College, providing an integrated view of the biological component of the Earth system. It emphasizes the history...
This description of the fossil record of bacteria focuses on one particular group of bacteria, the cyanobacteria or blue-green algae, which have left a fossil record that extends far back into the Precambrian. The...
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