does that mean that birds are reptiles, too? "I would say that any modern biologist would, or should, say that birds are ...

By analyzing the flowerpot snake’s unique genome, scientists at The University of Texas at Arlington are uncovering how the tiny reptile repairs its DNA and prevents harmful mutations. The findings, ...

Biologists have long known that feathers and hairs both start as structures called placodes. In reptiles, however, biologists had found distinct skin areas that yielded scales but no placodes.

These changes separate the reptiles from the amphibians. #1, the evolution of stronger, more effective jaw mechanisms, is the subject of this lecture and one topic in last week’s lab. The other ...

Forbes contributors publish independent expert analyses and insights. I write about the world of biology.