, for example, a big following block, a following block of stone at stonehenge was measuring how deeplyas this song? if we know about how old it is we can get a sense of on average how quickly is this thing subsiding, right? earthworms as a geological force. then there's also this idea that he came to a little later, and that is it says something also about what he calls the scale of nature. the seemingly humble organisms, no limbs, not eyes, people assume that they just are, they don't do anything. they have no behavior to speak up and get he thinks they have personalities. they are intelligent. they are problem solvers. they are fascinating, intelligent beings that have social sense. this is really a fascinating aspect because he sorts to experiment on their intelligence and their predilections he confided in one letter to one of his nieces, i am becoming deeply attached to worms. he worked with, this is a letter to one of his nieces. he worked with her sister lucy who is quite a talented experimentalist herself, did quite a few of experiments with darwin and, of course, much of her d