A snake-handling pastor who praised the serpents on reality TV died after a bite from a rattlesnake - and refusing treatment.

Why and When Do Snakes Bite? As is commonly known, snakes bite for two main reasons: to hunt and to defend. When snakes are on the offensive, they use their venom to immobilize and kill their prey.

Scientists filmed 36 snake species to study their strike speed. They found vipers, elapids, and colubrids each use unique ...