New findings from School of Arts & Sciences biologists show that evolution—normally considered to be a gradual process—can occur in a matter of weeks in fruit flies in response to natural environmental change.
Recent studies led by School of Arts & Sciences’ researchers show that changing social strategies between settings—for example, cooperating at home but not at work—can in fact lead to more cooperative behavior in a society.
Coral sperm require a specific pH to move, according to research from the School of Arts & Sciences, which identifies a signaling pathway that is shared by organisms including humans. The results inform how corals may fare with climate change.
Fall on Penn’s campus, as ever, is awash in a majestic spread of gold, red, and orange. The beauty highlights the necessity of mitigating climate change, which could lead to less stunning foliar color.