Hang....what you mean you are a lab technician, and have no chemistry background. Yikes.... Oh well if they fire you for taking pics you could always become a pro photographer. I can't pick a fav here...they are all way too good. I do like #3 a lot. The colour on post 17 with that ripple is just wicked. Love that. Sigh ....ok back to ducks. I was getting a few more ready to post. Got a Bernese for a week, so maybe he will provide some action shots.

"The happiness of a man in this life does not consist in the absence but in the mastery of his passions."