Weirdly enough the study of blackberries is called batology. Another interesting aspect about blackberries is how they are red before they ripen unlike the usual green.

If you're ever had a really bad headache before, you might have tried to check online for a trick to lessen the pain. One of these methods happens to be eating strawberries as they contain salicylates, an ingredient found in aspirins.

Raspberries can come in all sorts of colors and golden raspberries are the sweetest of them all. Some other colors would be purple and black (also red). They also don't continue to ripen after they are picked. Thus unlike fruits like bananas, they aren't picked in advance and need to be sold asap.

You can also use berries as natural dyes. The most commonly used seem to be blueberries.