Life is too short: eat dessert instead
I don't know how useful it can be, but it sure is fun to watch it unfold & float there on the screen.
well if you double click on each of the word balloons, some of them expand into other sets as well. Its just fun to see how far this thing can go. My problem is, I can't always make out the words, they get too small.
type in 'mammal genus' in the little search box and hit the green arrow. heh.