A call to arms: Enlisting private land owners in conservation

In 1872 the United States created Yellowstone, the first National Park in the world. Since then many more parks, monuments, preserves, wildernesses and other protected areas have been created in the USA. Protected areas, ...

Predators help prey adapt to an uncertain future

What effect does extinction of species have on the evolution of surviving species? Evolutionary biologists have investigated this question by conducting a field experiment with a leaf galling fly and its predatory enemies. ...

Explaining differences in rates of evolution

Scientists look to fossils and evolutionary trees to help determine the rate of evolution – albeit with conflicting results. A new model by ETH researchers has helped to resolve these contradictions.

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