Evolution news

Ghosts of past diseases shape species evolution

Parasites and diseases are major elements of the environment that affect animal populations. The new findings show evidence that infections in one generation can affect the survival and growth of a subsequent generation that ...

dateMar 22, 2017 in Evolution
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Parasitic fish offer evolutionary insights

Lamprey are slimy, parasitic eel-like fish, one of only two existing species of vertebrates that have no jaw. While many would be repulsed by these creatures, lamprey are exciting to biologists because they are so primitive, ...

dateMar 20, 2017 in Evolution
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Barn swallow behavior shift may be evolutionary

Most of our understanding about evolutionary changes and the formation of new animal species is based on the historical record. But a relatively new population of barn swallows in Argentina may help scientists see those changes ...

dateMar 17, 2017 in Evolution
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