Galen Halverson

Origins of photosynthesis in plants dated to 1.25 billion years ago

Published: 20Dec2017

The world’s oldest algae fossils are a billion years old, according to a new analysis by earth scientists at McGill University. Based on this finding, the researchers also estimate that the basis...

The making of Antarctica

Published: 31Jan2017

One of the big mysteries in the scientific world is how the ice sheets of Antarctica formed so rapidly about 34 million years ago, at the boundary between the Eocene and Oligocene epochs....