His Subject: Highly Evolved And Exquisitely Thirsty

07.02.2006 - "The New York Times" by Carl Zimmer

The tub full of leeches sat on a Table in Mark Siddall`s office at the American Museum of Natural History 

The leeches, each in inch long and covered in orange polka dots, were swimming lazily through the water.

 

 

Click here for the article