This may be slightly OT for the forum, but instructive nonetheless. It’s about the physiology of hummingbirds that seems to practically break the laws of physics. It is inspiring in that it shows that biology can break barriers that we haven’t even dared to dream of. The field for learning lessons and applying to humans is vast!
For inspiration, my favorite birds (and yes, I’ve had hummer feeders for 25 years now, just love to watch them):