A huge number of toxins exist all around the world. And believe it or not, the nine deadliest toxins come from living things! Tetrodotoxin, found in the organs of blowfish, is particularly notorious. When blowfish is prepared for consumption in Japan, it must be prepared by a licensed chef who is trained to cut the toxic organs out. It is possible, however, under special conditions, to raise blowfish that are not toxic at all. In fact, blowfish aren't even born with the poison at all. So, where does it come from? Scientists are looking for ways to use biotoxins for medicinal purposes. For example, conotoxin, which paralyzes nerves, could be a thousand times more effective than a certain drug you may have heard of. Can you guess what it is? Join us as we step into the deep and amazing world of biotoxins.