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  1. Bioluminescence
    Flying through the air on a summer's evening or sparkling in the ocean you may see magical flashes of light that signal some of nature's most enchanting creatures, those that are bioluminescent.

  2. Vibrational communication in animals
    What on earth could an elephant or treehoppers have in common with a seismometer?

  3. Myelinated nerves in vertebrates, annelids and crustaceans
    Myelinated nerves are an excellent biological solution and needless to say have evolved independently in several groups other than vertebrates. In each case myelination is associated with very rapid nervous conduction and often escape reactions.

  4. Love darts in slugs, snails and annelid worms
    The curious habit of stabbing their partners with sharp calcareous (or chitinous) darts during courtship and prior to actual copulation has understandably attracted considerable attention.

  5. Electroreception in fish, amphibians and monotremes
    From an evolutionary point of view, electroreception is particularly intriguing as a sense modality that has been repeatedly lost and reinvented again.

  6. Burrowing: from worms to vertebrates
    Quite a few adaptations are useful for burrowing into the soil. So it is not exactly surprising that they have evolved several times...