GeoLog

Archives / 2011 / November

EGU Autumn 2011 Elections

Members of the European Geosciences Union should have a received an email inviting them to vote for the next EGU President and General Secretary. There are three candidates for President: Günter Blöschl Denis-Didier Rousseau Hans Thybo There is one candidate for General Secretary Mioara Mandea Voting is open now, until 1 December 2011. Each email contains a unique, one time only voting token. All ...[Read More]

Geosciences Column: Iceland spar, or how Vikings used sunstones to navigate

Nowadays, we can rely on GPS receivers or magnetic compasses to tell us how to reach our destination. Some 1000 years ago, Vikings had none of these advanced navigation tools. Yet, they successfully sailed from Scandinavia to America in near-polar regions where it can be hard to use the Sun and the stars as a compass. Clouds or fog and the long twilights characteristic of polar summers complicate ...[Read More]