British butterfly is evolving to respond to climate change

As global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, published today in the journal Molecular Ecology, has revealed that climate ...

Warming climate pushes plants up the mountain

In a rare opportunity to directly compare plant communities in the same area now with a survey taken 50 years ago, a University of Arizona-led research team has provided the first on-the-ground evidence that Southwestern ...

Highly dynamic sex chromosomes in cichlid fishes

The cichlids of Lake Tanganyika in Africa are highly diverse—including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, depending on the species, ...

Soil bacteria evolve with climate change

While evolution is normally thought of as occurring over millions of years, researchers at the University of California, Irvine have discovered that bacteria can evolve in response to climate change in 18 months. In a study ...

Researchers break the animal kingdom's colour code

Charles Darwin was fascinated by the colours of animals - he once wrote to his colleague Alfred Russell Wallace asking why certain animals were "so beautifully and artistically coloured".

Living fossils reveal secrets of evolution

An ancient group of African fish known as bichirs were examined by scientists seeking a better understanding of the development of early vertebrates.

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