In a world where most people have ten fingers (five on each hand) — there are a few who are born with an extra finger. This rare condition, called polydactyly, means having more than the usual number ...

Amanda Meyer is affiliated with the Australian and New Zealand Association of Clinical Anatomists, the American Association for Anatomy, and the Global Neuroanatomy Network. Alexandra Trollope does ...

While the human hand, with four fingers and opposable thumb, is pretty darn awesome, it still falls woefully short when it comes to some tasks -- such as opening a soda bottle or peeling a banana. MIT ...