Add Yahoo as a preferred source to see more of our stories on Google. Unfurling fiddlehead of the Christmas fern (_Polystichum acrostichoides_). Jacob S. Suissa, CC BY-ND Imagine a photograph of your ...

Evolution is often depicted as a steady forward march from simple to complex forms. But new research shows that certain ferns can evolve ‘backward.’ When you purchase through links on our site, we may ...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jacob S. Suissa, University of Tennessee (THE CONVERSATION) Imagine a photograph of ...