The url is horrible and long so I thought that I would post the article. I know Christopher wouldn't mind.
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Instead of posting the horribly long URL as text, you can use the button that says "http://" and insert a regular clickable link like this:
[a href=\"http://www.thestar.com/NASApp/cs/ContentServer?pagename=thestar/Layout/Article_Type1&call_pageid=971358637177&c=Article&cid=1153000221682]Life before man[/url] in The Toronto Star.
(P.S. The question isn't necessarily whether Christopher Dewdney minds, since it might be the Toronto Star that holds the copyright, in which case the question would be whether the Star minds.)