Most of us steer clear of venomous snakes, insects and other poisonous creatures. This hour, we’ll talk about the scientists who risk their lives studying venom – and how their research is helping to produce live-saving drugs for humans. We’ll be joined by science journalist Christie Wilcox, author of “Venomous: How Earth’s Deadliest Creatures Mastered Biochemistry” (Farrar, Straus and Giroux).