focus for this week: Why don't birds fly backwards ?
>1.1 mio views (popular pages, total: 2,030)
Template:GFDL
From I ask questions
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License" at commons.
