Scientists delve into natural slicks on Lake Geneva

An EPFL researcher has, for the first time, documented slicks—those visually arresting, moving patches of smooth water—and explained what is happening beneath the surface.

Should we build a nature reserve on Mars?

There are 8 billion of us now. The UN says when the population peaks around the year 2100, there'll be 11 billion human souls. Our population growth is colliding with the natural world on a greater scale than ever, and we're ...

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