Venemous snake bites are a hidden health crisis, killing as many as 137,000 each year. High quality antivenoms exist, but they're expensive and hard to make. Producing them requires venom from live snakes, and plasma from horses. Today, there's a global shortage. In Australia, Billy Collett risks his life by milking hundreds of venomous snakes a week. We traveled the globe to learn why snake bites are still a global health emergency, and why antivenom production still requires animals. 0:00 Intro 1:14 How deadly snakes are milked in Australia 6:09 Why horses are needed for antivenom 8:16 How a lab makes over 100,000 antivenom vials 9:21 Why India struggles with snakebite deaths 10:04 Why Sub-Saharan Africa struggles with snakebite deaths 13:37 How scientists are trying to reinvent antivenom MORE BIG BUSINESS VIDEOS: How Chefs Feed 100,000 Michigan Fans At America's Biggest Football Stadium youtube.com/watch?v=a51ZHTRWtrc How Billion-Dollar Food Industries Are Protected By...