How to remove left-side tab from iGoogle page

To get more page space.
Instead of "https://www.google.com/ig", use "http://www.google.com/ig?gl=all". (Source: GoogleGroups web-search help)

However, there is side effect(s). At least I see that gadgets' title bar changes buttons from menu-maximize to menu-minimize-close list.

Cannot sign-in Yahoo!

... via Y!Messenger, and neither can web-browse (IE) to mail.yahoo.com nor sign-in from my.yahoo.com.

Resolution: Clear IE cache, cookies, history (don't proof exactly which one(s)) and then can retry sign-in successfully.