Watch this What's on Your Head? video to find out more about what firefighters do and what they wear. Boy 2: A police helmet. Nadiya: Karen, I think they're going to need a clue. Girl 1 and Boy 3 ...

Much like how dirt bike helmets are shaped differently, firefighter helmets have always been a unique design, starting with the "stovepipe" helmet from the colonial days. It wasn't until 1836 that ...