Ratlike Creature's Bizarre Backbone Baffles Scientists The hero shrew — a small, ratlike animal with a bizarrely strong and oddly shaped backbone — has mystified scientists since it was first described more than 100 years ago. Now, a newly discovered species of hero shrew may help researchers piece together why the animal evolved to have such a peculiar spine and what purpose the hardy backbone serves now.
July 23, 2013 - LiveScience.com via Yahoo! News