A new ecological approach to protect biodiversity

Four fundamental processes shaping biodiversity should be taken into account to explain why some ecosystems are more sensitive than others to human impacts such as climate change and habitat destruction. The knowledge gained ...

Searching for life on alien worlds

Twenty-seven years ago, at the University of Geneva, Michel Mayor and Didier Queloz—now a professor at ETH—discovered the first extrasolar planet orbiting a sun-like star. Much has happened since that initial discovery: ...

Proposal for picogram-scale probes to explore nearby stars

In a forward-looking article, George Church, Ph.D., from Harvard University and the Wyss Institute, proposes the use of picogram to nanogram-scale probes that can land, replicate, and produce a communications module at the ...

Chinese writing: From complexity to greater complexity

The world's major writing systems have tended to simplify over time, with a notable exception: New research shows that the Chinese writing system has become increasingly complex over the course of its 3000-year history.

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