Imagine an ancient shark with a single spiral tooth, shaped like a buzzsaw, in its lower jaw. That’s what’s reported in a new paper in Biology Letters by Leif Tapanila et al. (free download). The spiral-like structure of this fossil, Helicoprion, had been known for some time, but it was curious: what seemed to be […]
Take a look at today’s Google doodle and guess what it’s celebrating? If you don’t know, the answer is here More about the subject can be found here (I know Matthew disdains my use of Wikipedia entries but that is often the most comprehensive source of information!) As the alert reader said who sent me […]
You’ve probably heard of Simon Conway Morris if you’re a layperson interested in science, and you’ll certainly have heard of him if you’re an evolutionary biologist. He’s a very famous paleobiologist who works out of Cambridge University, and is renowned for his work on the Burgess Shale fossils. If you’ve read Steve Gould’s famous book […]
