• Have the hens ever had teeth?

    Dear friends, before digging into the history of gallinaceous teeth, let us clarify a very important point which, I am sure, will illuminate your evenings....

  • Why do crabs walk sideways?

    The five pairs of crab legs (including claws) attached to each side of the abdomen bend in the same way as our knees, except that...

  • How do you distinguish a bee from a wasp?

    “Get out of the way, leave my plate alone… don’t touch my glass…” We all have in mind memories of summer lunch, playing the fan...