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Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...
Phenotypic novelties are an important but poorly understood category of morphological diversity. They can provide insights into the origins of phenotypic variation, but we know relatively little about ...
Researchers report genetic analysis of bower building behaviors in cichlid fishes in Lake Malawi. Cichlid fishes in Lake Malawi, Africa display species-specific innate behaviors related to bower ...