sharing knowledge

So much has already been written on our joint ramble with the seniors that I don't have much to add. Yes, it was it was interesting to remember more about our geology session: when it came time to share it with others cerain things resurfaced that I hadn't thought about since the day. Like relating the history of Bryn Mawr College not only to the stones it's built from, and where they came from, but also to the exrtaordianry Bryn Mawr woman geologist who named them! My other favorite moment was the vine-swinging. Three seniors in a row became inspired to emulate Tarzan: the first quite cautiously, then when nothing bad happened the second and third more boldly, ending with a real swing that caused the vine to let go and slowly come snaking down! On the way to the graveyard we saw a huge chunk of (I think) tulip tree sticking into the ground, probably blown off in the hurricane? And I loved the overgrownm alive but also a bit otherwordly atmosphere of the graveyard itself. 

I have to rant again just a little bit about all the talk of "invasive" species. Firstly, as I like to say, humans have a lot of damn gall calling other species invasive! And the implication of moral depravity in plants which "take over" and "destroy" other plant species seems weird to me. They're just trying to make a living like anyone else. Do we condemn them for being successful?