Male redback spiders invite cannibalism through a ‘self-sacrificial somersault’ during sex – but why? | Spiders

If you think you’ve had a bad one-night stand, spare a thought for the male redback spider, whose sole reproductive partner eats him after sex.

Male redbacks appear to invite this cannibalism through a “self-sacrificial somersault”, with new research shedding light on the genetic basis of…