Arms races and cooperation among amoebae in the wild

Microbes are fast becoming the darlings of the social behavior set because their interactions can be understood right down to their genes. They do interesting things, too: Bacteria steal iron from each other, kill each other ...

Scientists solve fish evolution mystery

A University of Wyoming researcher is part of an international team that has discovered how more than 700 species of fish have evolved in East Africa's Lake Victoria region over the past 150,000 years.

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