Hi,

I got this problem with my joomla, I have 2 categories "news" and "blog", if I want to view an article in "news" I use an url like this:

and for the blog articles:

the problem is that if I type an url like this
or
the articles are accesible from the wrong url, also the used template is wrong, it displays a news article with the blog template and a blog article with the news template.

thanks for any comment,
excuse my bad english.

Hello your English is fine.
In Joomla!'s router you can access items through different menu items.

If you use a canonical links extensions this is not an issue.