During World War II, weapons research led to some strange places (bouncing bombs anyone?). In addition to creating to new weapons, teams were attempting to find ways to attack without tipping off the enemy that bombs were en route. Enter: animal-borne bombs.
Listen to this article: You read the title correctly. Flying snakes. Southeast Asia, southernmost China, India, and Sri Lanka are home to a few species of snake that can actually glide from tree to tree. This is the serpentine genus of Chrysopelea. Luckily, they don’t prey on humans, but lizards, frogs, birds, and bats.