What’s a tree? Don’t try to give us some perennial plant photosynthesis mumbo jumbo from biology or botany or arboriculture or whatever. This is computer science, not those other sciences. They...

If you've ever really looked at broccoli—even if it's been with pure hatred—you might have noticed that it matches the theme of the learning guide. No, we aren't saying that it looks like a tre...

Ah, tree heights. The joy (or bane) of geometry students everywhere. Don't worry: we aren't about to make you take the sine of the shadow of a ladder to figure out how tall trees are in computer sc...