If you grew up on nature documentaries, you probably have “snake = scary predator” wired into your brain. But out in the real world, snakes are very much on the menu. Birds stomp them. Mammals chew ...

In deserts, jungles and swamps around the world, snakes are waging a biochemical war against their prey. When a snake displays its fangs, it’s showing off one of evolution’s greatest weapons. This is ...