![](http://graphics8.nytimes.com/images/2008/06/16/science/17obclaw-650.jpg)
Frog Keeps Its Claws Hidden Until Needed - NYTimes.com: "A frog with claws? Back at Harvard, Dr. Blackburn and colleagues consulted the literature, examined museum specimens and realized something even more unusual: the claws on the Cameroonian frog, and some related frogs from the same region, are normally contained inside the toes, but pop out through the skin when needed."
0 comments:
Post a Comment