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 ...

All lectures will be held at the Mathematics Department (114 McAllister Building) at the Penn State University Park campus. This workshop first met at Penn State University in the spring of 1991. It ...