Sometimes I think humans are so clever we can engineer our way out of all the problems and challenges we create with our politics and culture. Then I remember that engineering itself–cars, factory farms, for example–is a big part of the problem. But still. It’s hard not to be hopeful when you stumble across genius at work, in all its diverse forms.
(Backstory is here, and hat tip goes here.)
This next one is more subtle, but perhaps even more promising because, as you know, Biking Can Save The World (here and here).