A new study of the 2011 Christchurch earthquake shows boulders from rockfalls fell much further than in earlier quakes that happened before humans arrived and changed the landscape.
On printed maps, piling on the detail risks obscuring the meaning. This new digital map is really more of a database from which users can create different versions that match their own interests.
The Karoo provides not only a historical record of biological change over a period of Earth’s history but also a means to test theories of evolutionary processes over long periods of time.
A new mineral – dubbed “putnisite” – has been discovered in Western Australia. Mineralogy researcher Dr Peter Elliott from…