There's no getting away from it: survival expert Bear Grylls has eaten some pretty extreme things in his time - live tarantulas, raw goat testicles, elephant dung, you name it. In a situation when your life depends on it, you need to put your prejudices aside to keep your stomach filled and your strength up. Whether it's mastering the art of foraging and cooking up a tasty feast around the campfire or learning about the more extreme end of wild food (ever tried a scorpion kebab?), there's a lot .
