The mystery photo was tannic acid crystals remaining in a glass of red wine. The blue background was made from a couple of plastic placemats. Yeah, I know that's an unusual subject. I hope you had fun guessing.
And now for the awards.
goes to Ruth for guessing ants on a log.
goes to ZB for guessing a dead chollo cactus in a California sunset.
goes to Kim for guessing a chromosome.
goes to Amy for guessing something her cat would like to play with and to Liza for guessing a cat-'o-nine-tails.
goes to Buffy for guessing Sumac Sam's ship, crossing Kitchen Sink Lagoon.
goes to Charlie for guessing branches over a skylight.
goes to TimInMich for guessing organic material in ice.
goes to Loren for guessing larvae.
Thanks for playing!