With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

The results revealed a clear sequence. Enzymes predating cannabis showed no ability to process CBGA. The first enzyme unique ...

The proposal that evolution could be used as a metaphor for problem solving came with the invention of the computer 1. In the 1970s and 1980s the principal idea was developed into different ...

A reduced genome in an island species raises evolutionary questions.

All plant and animal species arise by speciation — the evolutionary splitting of one species into two reproductively incompatible species. But until recently our understanding of the molecular genetic ...

Crocodylians are the last living representatives of the crocodylomorpha, an even bigger group that originated over 205 million years ago. David Ponton / Design Pics / Corbis When we think about the ...

Evolution determines who lives, who dies, and who passes traits on to the next generation. The process plays a critical role in our daily lives, yet it is one of the most overlooked -- and ...

The originator of the influential and widely debated Red Queen hypothesis, Leigh Van Valen, professor emeritus in the Department of Ecology and Evolution, died at St. Mary of Nazareth Hospital Center ...

Discover the nature, dynamics, and principles of ecological and evolutionary systems. Solve problems affecting the natural world and improve the future of ecological systems and the humans who depend ...

David Toews works for Pennsylvania State University. He receives funding from The National Science Foundation. People typically think about evolution as a linear process where, within a species, the ...

How could the tiny parts of the ear adapt independently to the diverse functional and environmental regimes encountered in mammals? A group of researchers proposed a new explanation for this puzzle.