Video - Food Fun Facts: Poison Apples, Golden Fish Sauce, and Semen Spy Ink

Did you know that in medieval Europe, people believed that tomatoes were poisonous? They called them “poison apples” because wealthy people would eat them off of pewter plates, and the acid from the tomatoes would leach lead from the plate, causing lead poisoning. Talk about a killer salad! And here's another spicy tidbit: In ancient Rome, garum, a fermented fish sauce, was more valuable than gold. They put it on everything! Can you imagine fish sauce ice cream? Oh, and during WWII, British spies used semen as invisible ink. I guess they really put themselves into their work! What's the weirdest food fact you've heard? Comment below!