Boundary

What is a paleontologist doing on Mars? Pushing her boundaries. . . .Problematica, n: a term used in paleontology to refer to fossils that appear to be either of unknown taxonomic origin, or whose occurrence in the location they are found contradicts current beliefs of the field. The find was made by a teenager. A “funny fossil” no one had seen before out in the middle of the Arizona desert. And right in the middle of controversy: the strangely shaped fossil could help explain one of the gr...