It seems that the widely accepted categories for fruit and vegetables are sometimes incorrect. While avocados are called vegetables, by definition they're a fruit. And rhubarb is a deliciously sweet addition to any dessert – but it’s a vegetable.

Strawberries, while found in the fruit aisle, aren’t actually a fruit. They are a fleshy receptacle (yes, that’s the actual term) for the seeds, which are the actual fruit of the strawberry.

Check out the video below, where SciShow host Hank Green explains what makes a fruit a fruit, a vegetable a vegetable and a capsicum, confusingly, a berry.