Secrets of the narwhal’s tusk revealed
The function of the curious unicorn-like tusk of the Narwhal (*Monodon monoceros*) has long been a puzzle to researchers. However, a researcher from the Harvard School of Dental Medicine is to present a paper about the tooth's function at the 16th Biennial Conference on the Biology of Marine Mammals, writes the [Harvard Gazette](http://www.news.harvard.edu/gazette/2005/12.15/01-narwhal.html). Read more »