Why don't penguins' feet freeze? :  and 114 other questions  
New scientist. 
 - 1st Free Press pbk. ed. 
 - New York :  Free Press,  2007. 
 - 212 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1416541462 9781416541462 
<br/><br/><label>LCCN: </label>2006053506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Miscellanea.
<br/><br/><label>LC Class. No.: </label>Q173  / .W625 2007 
<br/><br/><label>Dewey Class. No.: </label>500