I feel helpless and very gloomy when I think about biodiversity loss and climate change. I even fast forward David Attenborough documentries when he talks about these things. Sometimes "its all going to hell but we are going in together" thought is more comforting than thinking about my own and everyone else apathy.
Thanks for making "code written by nature" comment. Knuth also agrees that bioinformatics has many more fantastic problems than computer science because its much much older.
I was in awe of planeria when I first saw it regenerating from its parts first time.