A Drexel spokesperson did not say whether the school had declined the offer, but said, “No proposal has been presented that would provide a permanent, sustainable path forward" for the museum.

Adaptive radiations generate remarkable morphological diversity, yet traits often diversify at different rates and modes, producing mosaic patterns of evolution. Modularity, the semiautonomous organization of traits, can shape how selection and ...

Patricia “Trish” Wellenbach, the city's deputy mayor and former president of the Please Touch Museum, will be senior adviser to the Academy of Natural Sciences. She's on loan from the mayor's office.

Patricia “Trish” Wellenbach, the city's deputy mayor and former president of the Please Touch Museum, will be senior adviser to the Academy of Natural Sciences. She's on loan from the mayor's office.

The closure does not affect the rest of the institution, which builds and maintains the collections and conducts research through departments such as the Patrick Center for Environmental Research.

Abstract. Twenty-five years ago, the book The Ecology of Adaptive Radiation by Dolph Schluter presented a testable framework that integrated ecology, genet

Abstract. Mandibles represent a key evolutionary innovation that has enabled jawed vertebrates to adapt and diversify in response to a range of food source

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Bats are the only mammals capable of powered flight, and while they retain the furry coat of other small mammals, their wings, the primary flight surface, are generally thought to be hairless. We ass....