Echidna

var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));Natalie Angier elucidates the enigmatic echidna (a mysterious monotreme related to the duck-billed platypus) here:http://www.nytimes.com/2009/06/09/science/09angi.htmlAnd a special