Tag: Venom

  • Nation & World

    The tangled web around spiders

    A biologist with an affinity for spiders shared his passion, taking the audience on a tour of arachnids large and small and making a pitch for their conservation as natural pest control.

    2 minutes
  • Nation & World

    Venomous bite

    Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species — a shrew and a lizard, giving each a venomous bite

    3 minutes