Lifestyle can shape the composition of beneficial bacteria and other microorganisms within the mouth, according to a new study led by Penn State biologists. The international team revealed how the ...

The “RNA world” hypothesis proposes that the earliest life on Earth may have been based on RNA — a single-stranded molecule similar in many ways to DNA — like some modern viruses. This is because, ...

“The Biology and Ecology Student Research Showcase is a fantastic opportunity for graduate and undergraduate biologists and ecologists to come together and share their research and practice ...