(1) The Australian landscape may look unchanged, but its fossils and cave paintings tell a hidden story. Forty to fifty thousand years ago, three major events occurred: people arrived in Australia, the environment changed, and several species went extinct. (2) In the summer of 2009, a team of numismatists is looking to replicate bronze coinage, particularly the twin eagle piece struck in Alexandria, Egypt, in the 2nd century BC. Even though numerous questions are left to be answered, the team is gradually mastering the production techniques of the ancient mints.
