Study: Brain evolution is linked to competition

In response to a high-competition environment, Trinidadian killifish evolve larger brains, increasing their fitness and survival rates, according to a new study in Ecology Letters by biologists at The University of Texas ...

Little penguins' food struggles

The latest floods have drowned out memories of drought in many parts of Australia, but ecosystems and native species are still battling with the effects of drought and bushfire.

What guppy guts can teach us about evolution

On the list of scientific tools that help us understand health, evolution or the environment, the Trinidadian guppy doesn't often come to mind.

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