5x5

fine motor skills: Japanese surgeons in training undergo a battery of delicate, microscopic exercises   

ex libris: via Kottke, the Bodleian is making over 100 000 images and manuscripts freely available on-line

gelotology: an overview for the neglected research into how a baby’s laughter could hold profound psychological insights

fun, fun, fun auf der autobahn: Rick Moranis covered Kraftwerk in a 1989 album

skullduggery: ancient peoples may have buried horse skulls under the floors of homes and churches to achieve a sought after acoustic effect