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, ...

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 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 ...