Spider venom 'could be the new Viagra'

Facing a little trouble in the bedroom and Viagra doesn't work for you? Well, spiders may help you.New research shows that one arachnid might actually be best kept by your bedside.A single bite from the Brazilian wandering spider has been shown to have side-effects including four-hour long erections. The eight-legged creature - also known as the armed spider, banana spider or Phoneutria