'Demon oil' on the defensive over climate change

At the dawn of an era scientists have dubbed the Anthropocene, driven by human impact on the planet, the energy industry's four-yearly gathering was forced onto the defensive on climate change.

Fresh look at mysterious Nasca lines in Peru

A scientific approach has re-identified huge birds etched into the desert plains of southern Peru around 2,000 years ago. The birds appear to be exotic to the region, and further studies could help explain their significance. ...

Quick drawing of complex relationships

Quality criteria for a readable graphic representation of complex relationships are high. For example, the node points have to be located at sufficient distances in order to be identifiable. At the same time, the graph drawing ...

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