| Did you know... You can instantly scroll to the top of any page in Google+ with one click?
Just click anywhere in the grey area
on the scrolling navigation bar and you will be instantly rocketed to the top of your current page. The image below shows the clickable area highlighted in red.
This really helps when you've been scrolling through your stream for an hour and a half, and don't want to sprain your scrolling finger to get back to the top of the page.
(Full article: http://dustn.ws/zLa8dV